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DQ250 fault codes
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Fault codesSearch the directorySearch by fault code and open its description. See what the code refers to and what is checked during diagnostics.
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DQ250 fault codes
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Code descriptions help explain the diagnostic process. Interpretation depends on the full fault text, suffix, reporting controller and software version. The same base code can refer to different situations. This is not a parts-replacement instruction or a complete list for every version.
Fault codes
P0219Engine overspeed
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
- Interpretation
- Monitoring may concern transmission input shaft speed. The general code label alone does not prove actual engine overspeed.
P0219Engine overspeed
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
- Interpretation
- Monitoring may concern transmission input shaft speed. The general code label alone does not prove actual engine overspeed.
P0501Vehicle speed sensor A: range/performance
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0606Control module processor
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0607Control module performance
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0608Control module vehicle speed signal output A
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0701Transmission control system: implausible signal
- Code details
- 17085
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0701Transmission control system: range/performance
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0702Transmission control system electrical fault
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0715Transmission input speed sensor G182: circuit fault
- Code details
- 17099
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0716Transmission input speed sensor G182: implausible signal
- Code details
- 17100
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0716Transmission input speed sensor G182: implausible signal
- Code details
- 17100 / 001814
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0717Input/turbine speed sensor A: no signal
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0722Speed sensor G195: no signal
- Code details
- 17106
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0729Gear 6: incorrect ratio
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P072BStuck in reverse
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P072CStuck in gear 1
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P072DStuck in gear 2
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P072EStuck in gear 3
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P072FStuck in gear 4
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0731Gear 1: incorrect ratio
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P0732Gear 2: incorrect ratio
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P0733Gear 3: incorrect ratio
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P0734Gear 4: incorrect ratio
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P0735Gear 5: incorrect ratio
- Code details
- 17119
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P0735Gear 5: incorrect ratio
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P0736Reverse gear incorrect ratio
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P073AStuck in gear 5
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P073BStuck in gear 6
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P073EReverse cannot be engaged
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P073FGear 1 cannot be engaged
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P0746Pressure control valve N215: oil pressure, open circuit or short to ground
- Code details
- 17130
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P0746Pressure control solenoid A: malfunction or stuck off
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P0747Pressure control solenoid A: stuck on
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P074AGear 2 cannot be engaged
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P074BGear 3 cannot be engaged
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P074CGear 4 cannot be engaged
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P074DGear 5 cannot be engaged
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P074EGear 6 cannot be engaged
- What is checked?
- Requested and actual gear, position signals and speed readings are compared. Oil pressure and mechanical operation are also checked under the conditions that trigger the fault.
P0751Shift solenoid A: malfunction or stuck off
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0756Solenoid 2 (N89): open circuit or short to ground
- Code details
- 17140
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0756Shift solenoid B: malfunction or stuck off
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0761Solenoid 3 (N90): open circuit or short to ground
- Code details
- 17145
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0761Shift solenoid C: malfunction or stuck off
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0766Solenoid 4 (N91): open circuit or short to ground
- Code details
- 17150
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0766Shift solenoid D: malfunction or stuck off
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0771Solenoid 5 (N92): open circuit or short to ground
- Code details
- 17155
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0771Shift solenoid E: malfunction or stuck off
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0776Pressure control valve 2 (N216): open circuit or short to ground
- Code details
- 17160
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P0776Pressure control solenoid B: malfunction or stuck off
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P0777Pressure control solenoid B: stuck on
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P0781Shift from gear 1 to 2
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0782Shift from gear 2 to 3
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0783Shift from gear 3 to 4
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0784Shift from gear 4 to 5
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0791Intermediate shaft speed sensor A circuit
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0797Pressure control solenoid C stuck on
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P0805Clutch position sensor A circuit
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0810Clutch position control error
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0829Shift from gear 5 to 6
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0840Transmission fluid pressure sensor/switch A circuit
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0841Transmission fluid pressure sensor/switch A circuit: range/performance
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0845Transmission fluid pressure sensor/switch B circuit
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0846Transmission fluid pressure sensor/switch B: range/performance
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0864Transmission control module communication circuit: range/performance
- What is checked?
- The full vehicle scan, module power supplies and communication are checked. A transmission warning may also originate in another system.
P087AClutch position sensor B circuit
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0890Transmission control module power relay sensing circuit low
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0914Gear shift position circuit
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0914Gear shift position circuit A
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P0919Gear shift position control error
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P0929Gear shift lock solenoid/actuator A control circuit: range/performance
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P1604Control module defective
- Code details
- 18012
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P1707Mechatronics unit fault
- Code details
- 18115
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P1740Clutch temperature monitoring (G509)
- Code details
- 18148
- What is checked?
- Temperature readings are compared with actual operating conditions. Sensor operation, fluid and cooling are checked before deciding on a repair.
P1740Clutch temperature monitoring
- Code details
- 18148 / 005952
- What is checked?
- Temperature readings are compared with actual operating conditions. Sensor operation, fluid and cooling are checked before deciding on a repair.
P1746Solenoid supply voltage: circuit fault
- Code details
- 18154
- What is checked?
- Battery condition, charging, power supplies, grounds and connectors are checked under load. The code alone does not establish a control-module fault.
P1813Pressure control valve 1 (N215): circuit fault
- Code details
- 18221
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P1814Pressure control valve 1 (N215): open circuit or short to ground
- Code details
- 18222
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1815Pressure control valve 1 (N215): short to battery positive
- Code details
- 18223
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1818Pressure control valve 2 (N216): circuit fault
- Code details
- 18226
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P1819Pressure control valve 2 (N216): open circuit or short to ground
- Code details
- 18227
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1820Pressure control valve 2 (N216): short to battery positive
- Code details
- 18228
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1823Pressure control valve 3 (N217): circuit fault
- Code details
- 18231
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P1824Pressure control valve 3 (N217): open circuit or short to ground
- Code details
- 18232
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1825Pressure control valve 3 (N217): short to battery positive
- Code details
- 18233
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1828Pressure control valve 4 (N218): circuit fault
- Code details
- 18236
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P1829Pressure control valve 4 (N218): open circuit or short to ground
- Code details
- 18237
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1830Pressure control valve 4 (N218): short to battery positive
- Code details
- 18238
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1833Pressure control valve 5 (N233): circuit fault
- Code details
- 18241
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P1834Pressure control valve 5 (N233): open circuit or short to ground
- Code details
- 18242
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1835Pressure control valve 5 (N233): short to battery positive
- Code details
- 18243
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1838Pressure control valve 6 (N371): circuit fault
- Code details
- 18246
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
P1839Pressure control valve 6 (N371): open circuit or short to ground
- Code details
- 18247
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P1840Pressure control valve 6 (N371): short to battery positive
- Code details
- 18248
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P2711Implausible gearshift sequence
- Code details
- 19143
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P2711Unexpected mechanical gear disengagement
- What is checked?
- The complete fault report and freeze-frame conditions are reviewed. The repair is planned from measurements and findings on the vehicle.
P2711Unexpected mechanical gear disengagement: no signal or communication
- Code details
- 19143 / 010001
- What is checked?
- The full vehicle scan, module power supplies and communication are checked. A transmission warning may also originate in another system.
P2711Unexpected mechanical gear disengagement: basic settings/adaptation missing or incorrect
- Code details
- 19143 / 010001
- What is checked?
- The software version, commissioning prerequisites and other faults are checked. Basic settings cannot repair a worn component, leakage or an electrical fault.
P2723Pressure control solenoid E: malfunction or stuck off
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P2732Pressure control valve 6 (N371): open circuit or short to ground
- Code details
- 19164
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P2732Pressure control solenoid F: malfunction or stuck off
- What is checked?
- Requested and actual pressure are compared, with checks of fluid supply, pump operation and possible leakage. Temperature and load when the fault occurs help narrow down the cause.
P2767Input/turbine speed sensor B: no signal
- What is checked?
- The named component’s signal, wiring, connectors and supply are checked. A sensor or valve code alone does not mean the entire mechatronics unit needs replacing.
U0001High-speed CAN communication bus
- What is checked?
- The full vehicle scan, module power supplies and communication are checked. A transmission warning may also originate in another system.
U0002High-speed CAN communication bus malfunction
- What is checked?
- The full vehicle scan, module power supplies and communication are checked. A transmission warning may also originate in another system.
U0100Lost communication with engine/powertrain control module A
- What is checked?
- The full vehicle scan, module power supplies and communication are checked. A transmission warning may also originate in another system.
U0103Lost communication with gear shift control module A
- What is checked?
- The full vehicle scan, module power supplies and communication are checked. A transmission warning may also originate in another system.
U0404Invalid data received from gear shift control module A
- What is checked?
- The full vehicle scan, module power supplies and communication are checked. A transmission warning may also originate in another system.
U0101Communication with transmission control module
- What is checked?
- The full vehicle scan, module power supplies and communication are checked. A transmission warning may also originate in another system.
- Interpretation
- This code may be reported by a controller other than the transmission. Check the reporting controller in the full scan.
U0302Software incompatible with transmission control module
- What is checked?
- The software version, commissioning prerequisites and other faults are checked. Basic settings cannot repair a worn component, leakage or an electrical fault.
- Interpretation
- This code may be reported by a controller other than the transmission. Check the reporting controller in the full scan.
U0402Invalid data received from transmission control module
- What is checked?
- The full vehicle scan, module power supplies and communication are checked. A transmission warning may also originate in another system.
- Interpretation
- This code may be reported by a controller other than the transmission. Check the reporting controller in the full scan.
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