NOTE: Generic scan tools cannot read the codes listed or can only read 5-digit codes. Match the 5 digits from the scan tool with the first 5 digits of the listed 7-digit code to identify the fault. (the last 2 digits provide additional information readable by a manufacturer approved diagnostic system).
NOTE: For a complete list of heated seat DTCs, refer to Section 412-00, Climate Control System, in the workshop manual. Additional DTCs are listed in Section 418-00, Network Communications, in the workshop manual.
| DTC | Description | Possible reasons | Action |
| B1A7318 | Left seat heating element | Check the left seat heater switch and circuit. Refer to the electrical manual. | |
| B1A7418 | Right seat heating element | Right Seat Heating Element Power Circuit: Current Below Threshold | Check the switch and circuit of the right seat heating element. Refer to the electrical manual. |
| B1B6511 | Left seat heating element temperature sensor | Left Seat Heater Element Temperature Signal Circuit Short to Ground | Check the seat heating element temperature signal circuit. Refer to the electrical manual. Refer to the appropriate section in the workshop manual. |
| B1B6515 | Left seat heating element temperature sensor | Check the seat heating element temperature signal circuit. Refer to the electrical manual. Refer to the appropriate section in the workshop manual. | |
| B1B6611 | Right seat heating element temperature sensor | Right Seat Heating Element Temperature Signal Circuit Short to Ground | Check the seat heating element temperature signal circuit. Refer to the electrical manual. Refer to the appropriate section in the workshop manual. |
| B1B6615 | Right seat heating element temperature sensor | Check the seat heating element temperature signal circuit. Refer to the electrical manual. Refer to the appropriate section in the workshop manual. | |
| B1B8541 | Memory module | Error in seat module | Replace the seat memory module. If you have any doubts about the module's functionality, refer to the warranty policy and procedures manual. |
| B1B8549 | Memory module | Error in seat module | If there is no customer complaint about seat operation, no action is required, clear/ignore DTC. If seat operation is affected, replace module. If in doubt about module functionality, refer to warranty policy and procedures manual. |
| B1B8587 | Memory module | Seat memory module does not respond | The seat settings memory module is not installed on all modifications (custom installation). Registration of the failure is prohibited by the CCF file, but if the CCF file is incorrectly configured, it is possible for the DTC to be registered by mistake. Repair is required only for vehicles with a sunroof. If necessary, see the description of the "Lost Communication" condition at the beginning of this table. |
| B1B8673 | Seat Height Adjustment Motor Relay | Malfunction of the internal relay of the settings memory module (sticking) | Replace the seat memory module If you have any doubts about the module's functionality, refer to the warranty policy and procedures manual. |
| B1B8693 | Seat Height Adjustment Motor Relay | If there is no customer complaint about seat operation, no action is required, clear/ignore DTC. If seat operation is abnormal, check/replace control module. If in doubt about module functionality, refer to warranty policy and procedures manual. | |
| B1B8731 | Seat Height Movement Motor Speed/Position Sensor | Refer to the electrical manuals and check the wiring harness and connectors between the seat memory module and the seat height motor. Repair/replace as necessary. If there is no circuit fault, check/replace the seat height motor. | |
| B1B873A | Seat Height Movement Motor Speed/Position Sensor | The seat height has moved out of the expected range. Break or short circuit of the sensor's electrical circuit. Problem with the range of seat settings. The speed/position sensor of the seat displacement motor is defective | Refer to electrical manuals and check the harness and connectors between the seat memory module and the seat height motor. Repair/replace as necessary. Check the seat adjustment ranges to ensure proper operation. Replace the seat height motor. |
| B1B8873 | Seat Height Adjustment Motor Relay | Malfunction of the internal relay of the settings memory module (sticking) | Replace the seat memory module If you have any doubts about the module's functionality, refer to the warranty policy and procedures manual. |
| B1B8893 | Seat horizontal movement motor relay | If there is no customer complaint about seat operation, no action is required, clear/ignore DTC. If seat operation is not normal, check/replace control module. | |
| B1B8931 | Seat horizontal movement motor speed/position sensor | Refer to the electrical equipment manuals and check the wiring harness and connectors between the seat memory module and the horizontal seat displacement motor. Repair/ replace as needed. If there is no fault in the circuit, check/replace the electric motor for moving the seat horizontally. | |
| B1B893A | Seat horizontal movement motor speed/position sensor | The seat moved horizontally out of the expected range. Break or short circuit of the sensor's electrical circuit. Problem with the range of seat settings. The speed/position sensor of the seat displacement motor in the horizontal plane is defective | Refer to the electrical equipment manuals and check the wiring harness and connectors between the seat memory module and the horizontal seat displacement motor. Repair/ replace as needed. Check the seat setting ranges to ensure proper operation. Replace the electric motor for moving the seat horizontally |
| B1B9073 | Seat tilt motor relay | Malfunction of the internal relay of the settings memory module (sticking) | Replace the seat memory module If you have any doubts about the module's functionality, refer to the warranty policy and procedures manual. |
| B1B9093 | Seat tilt motor relay | If there is no customer complaint about seat operation, no action is required, clear/ignore DTC. If seat operation is not normal, check/replace control module. | |
| B1B9131 | Seat Recline Motor Speed/Position Sensor | Refer to the electrical manuals and check the wiring harness and connectors between the seat memory module and the seat recline motor. Repair/replace as necessary. If there is no circuit fault, check/replace the seat recline motor. | |
| B1B913A | Seat Recline Motor Speed/Position Sensor | Seat has tilted beyond expected range. Sensor circuit open or shorted. Problem with seat adjustment range. Seat recline motor speed/position sensor defective. | Refer to the electrical manuals and check the wiring harness and connectors between the seat memory module and the seat recline motor. Repair/replace as necessary. Check the seat adjustment ranges to ensure proper operation. Replace the seat recline motor. |
| B1B9273 | Electric motor relay for tilting the seat | Malfunction of the internal relay of the settings memory module (sticking) | Replace the seat memory module If you have any doubts about the module's functionality, refer to the warranty policy and procedures manual. |
| B1B9293 | Electric motor relay for tilting the seat | If there is no customer complaint about seat operation, no action is required, clear/ignore DTC. If seat operation is not normal, check/replace control module. | |
| B1B9331 | Seat tilt motor speed/position sensor | Refer to the electrical equipment manuals and check the wiring harness and connectors between the seat memory module and the tilt motor. Repair/ replace as needed. If there is no fault in the circuit, check/replace the incline electric motor. | |
| B1B933A | Seat tilt motor speed/position sensor | The seat sloped out of the expected range. Break or short circuit of the sensor's electrical circuit. Problem with the range of seat settings. Tilt seat motor speed/position sensor | Refer to the electrical manuals and check the wiring harness and connectors between the seat memory module and the seat recline motor. Repair/replace as necessary. Check the seat adjustment ranges to ensure proper operation. Replace the seat recline motor. |
| B1B9473 | Seat lift switch | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1B9573 | Seat lowering switch | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1B9673 | Seat Forward Move Switch | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1B9773 | Seat Backward Move Switch | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1B9873 | Seat tilt up switch | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1B9973 | Seat tilt down switch | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1C0073 | Seat recline switch | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1C0173 | Seat recline switch | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1C0273 | Position memory function switch | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1C0373 | Memory Cell Switch #1 | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1C0473 | Memory Cell Switch #2 | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1C0573 | Memory Cell Switch #3 | Refer to the electrical manuals and check the wiring between the seat memory module and the switch cluster for a short to ground. Check the switch operation and replace if necessary. | |
| B1C0601 | Electrical circuit of the driver's mirror up/down motor and general mirror control | Refer to the electrical manuals and check the wiring between the seat memory module and the door mirror for an open circuit or short to ground. Check the operation of the mirror and replace it if necessary. | |
| B1C0701 | Electrical circuit of the electric motors for turning left/right of the driver's mirror and raising/lowering of the right mirror | Refer to the electrical manuals and check the wiring between the seat memory module and the door mirror for an open circuit or short to ground. Check the operation of the mirror and replace it if necessary. | |
| B1C0801 | Electric circuit of the left/right turn motor of the passenger mirror and the general control of the mirrors | Refer to the electrical manuals and check the wiring between the seat memory module and the door mirror for an open circuit or short to ground. Check the operation of the mirror and replace it if necessary. | |
| B1C0973 | Driver's left/right mirror turn motor electrical circuit | If there is no customer complaint about the mirror operation, no action is required, clear/ignore the DTC. If the mirror operation is not normal, refer to the electrical diagrams and check the circuit for a short to ground or an open circuit. Replace the mirror/motor if necessary. | |
| B1C1073 | Driver's mirror up/down motor electrical circuit | If there is no customer complaint about the mirror operation, no action is required, clear/ignore the DTC. If the mirror operation is not normal, refer to the electrical diagrams and check the circuit for a short to ground or an open circuit. Replace the mirror/motor if necessary. | |
| B1C1173 | Passenger Mirror Left/Right Turn Motor Electrical Circuit | If there is no customer complaint about the mirror operation, no action is required, clear/ignore the DTC. If the mirror operation is not normal, refer to the electrical diagrams and check the circuit for a short to ground or an open circuit. Replace the mirror/motor if necessary. | |
| B1C1273 | Passenger mirror up/down motor electrical circuit | If there is no customer complaint about the mirror operation, no action is required, clear/ignore the DTC. If the mirror operation is not normal, refer to the electrical diagrams and check the circuit for a short to ground or an open circuit. Replace the mirror/motor if necessary. | |
| B1C133A | Driver's mirror up/down motor feedback circuit | The electric motor of the door mirror has moved out of the expected range. Sensor electrical circuit break or short circuit Malfunction of the door mirror motor position sensor | Refer to electrical manuals and check the wiring harness and connectors between the seat memory module and the mirror. Repair/replace as necessary. Check/replace the mirror motor/entire assembly. |
| B1C143A | Driver's Mirror Left/Right Turn Motor Feedback Circuit | The electric motor of the door mirror has moved out of the expected range. Sensor electrical circuit break or short circuit Malfunction of the door mirror motor position sensor | Refer to electrical manuals and check the wiring harness and connectors between the seat memory module and the mirror. Repair/replace as necessary. Check/replace the mirror motor/entire assembly. |
| B1C153A | Passenger mirror up/down motor feedback circuit | The electric motor of the door mirror has moved out of the expected range. Sensor electrical circuit break or short circuit Malfunction of the door mirror motor position sensor | Refer to electrical manuals and check the wiring harness and connectors between the seat memory module and the mirror. Repair/replace as necessary. Check/replace the mirror motor/entire assembly. |
| B1C163A | Passenger Mirror Left/Right Turn Motor Feedback Circuit | The electric motor of the door mirror has moved out of the expected range. Sensor electrical circuit break or short circuit Malfunction of the door mirror motor position sensor | Refer to electrical manuals and check the wiring harness and connectors between the seat memory module and the mirror. Repair/replace as necessary. Check/replace the mirror motor/entire assembly. |
| B1C1773 | Driver's left mirror switch | Refer to the electrical manuals and check the wiring between the memory module and the mirror switch assembly for a short to ground. Check the switch operation and replace if necessary. | |
| B1C1873 | Driver's right mirror switch | Refer to the electrical manuals and check the wiring between the memory module and the mirror switch assembly for a short to ground. Check the switch operation and replace if necessary. | |
| B1C1973 | Driver's mirror lift switch | Refer to the electrical manuals and check the wiring between the memory module and the mirror switch assembly for a short to ground. Check the switch operation and replace if necessary. | |
| B1C2073 | Driver's mirror down switch | Refer to the electrical manuals and check the wiring between the memory module and the mirror switch assembly for a short to ground. Check the switch operation and replace if necessary. | |
| B1C2173 | Left Passenger Mirror Switch | Refer to the electrical manuals and check the wiring between the memory module and the mirror switch assembly for a short to ground. Check the switch operation and replace if necessary. | |
| B1C2273 | Right Passenger Mirror Switch | Refer to the electrical manuals and check the wiring between the memory module and the mirror switch assembly for a short to ground. Check the switch operation and replace if necessary. | |
| B1C2373 | Passenger Mirror Up Switch | Refer to the electrical manuals and check the wiring between the memory module and the mirror switch assembly for a short to ground. Check the switch operation and replace if necessary. | |
| B1C2473 | Passenger mirror down switch | Refer to the electrical manuals and check the wiring between the memory module and the mirror switch assembly for a short to ground. Check the switch operation and replace if necessary. | |
| B1C3173 | Steering Column Adjustment Motor Relay | When the electric steering column adjustment motor is not installed, no action is required, clear/ignore DTC. When the electric steering column adjustment motor is installed, refer to the electrical manuals and check the steering column motor electrical circuit for a short circuit or open circuit, and check/replace the learning module if necessary. | |
| B1C3193 | Steering Column Adjustment Motor Relay | When the electric steering column adjustment motor is not installed, no action is required, clear/ignore the DTC. When the electric steering column adjustment motor is installed, check/replace the control module as necessary. | |
| B1C3213 | Steering column tilt solenoid | When the power steering column adjustment motor is not installed, no action is required, clear/ignore DTC. When the power steering column adjustment motor is installed, refer to the electrical manuals and check the steering column tilt solenoid electrical circuit for a short circuit or open circuit, and check/replace the tilt solenoid if necessary. | |
| B1C3296 | Steering column tilt solenoid | When the power steering column adjustment motor is not installed, no action is required, clear/ignore the DTC. When the power steering column adjustment motor is installed, refer to the electrical manuals and check the steering column tilt solenoid circuit for a short or open circuit. Check for other related DTCs and repair as necessary. Allow the solenoid to cool, clear the DTC and check the tilt solenoid/function operation. If the DTC remains, replace the steering column tilt solenoid as necessary. | |
| B1C333A | Steering column tilt feedback signal | When the power steering column adjustment motor is not installed, no action is required, clear/ignore DTC. When the power steering column adjustment motor is installed, refer to the electrical manuals and check the steering column tilt solenoid feedback circuit for a short or open circuit. Check the tilt solenoid/function operation and range of motion. Replace the tilt solenoid if necessary. | |
| B1C3413 | Steering column height adjustment solenoid | When the power steering column adjustment is not installed, no action is required, clear/ignore the DTC. When the power steering column adjustment is installed, refer to the electrical manuals and check the steering column height adjustment solenoid circuit for a short or open circuit, and check/replace the tilt solenoid if necessary. | |
| B1C3496 | Steering column height adjustment solenoid | When the power steering column adjustment is not installed, no action is required, clear/ignore the DTC. When the power steering column adjustment is installed, refer to the electrical manuals and check the steering column height adjustment solenoid circuit for a short or open circuit. Check for other related DTCs and repair as necessary. Allow the solenoid to cool, clear the DTC and check the solenoid/height adjustment function. If the DTC remains, replace the height adjustment solenoid as necessary. | |
| B1C353A | Steering column height adjustment feedback signal | When the electric steering column adjustment motor is not installed, no action is required, clear/ignore DTC. When the electric steering column adjustment motor is installed, refer to the electrical manuals and check the steering column height adjustment solenoid feedback circuit for a short or open circuit. Check the operation of the height adjustment solenoid/function and range of motion. Replace the height adjustment solenoid if necessary. | |
| B1C363A | Steering column tilt/height adjustment switch | When the power steering column adjustment is not installed, no action is required, clear/ignore DTC. When the power steering column adjustment is installed, refer to the electrical manuals and check the tilt/height steering column adjustment switch circuit for a short circuit or an open circuit. Check the operation of the tilt/height steering column adjustment switch and replace the switch if necessary. |
The article was taken from this resource [lrman.ru]
Comments on this article