Driver Seat Module (DSM) Diagnostic Trouble Code (DTC) Index
| DTC | Description | Retrieved | Action |
|---|---|---|---|
| B1234 | Mirror Switch Invalid Code | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B1317 | Battery Voltage High | Continuous | REFER to CHARGING SYSTEM - GENERAL INFORMATION article. |
| B1318 | Battery Voltage Low | Continuous | REFER to CHARGING SYSTEM - GENERAL INFORMATION article. |
| B1342 | ECU Is Faulted | On-Demand and Continuous | INSTALL a new DSM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. CONFIGURE the DSM. REFER to MODULE CONFIGURATION article. |
| B1530 | Memory SET Switch Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1534 | Memory 1 Switch Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1538 | Memory 2 Switch Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1663 | Seat Driver Front Up/Down Motor Stalled | On-Demand | If the motor does not operate, go to Pinpoint Test K . If motor operates, go to Pinpoint Test L . |
| B1664 | Seat Driver Rear Up/Down Motor Stalled | On-Demand | If the motor does not operate, go to Pinpoint Test K . If motor operates, go to Pinpoint Test L . |
| B1665 | Seat Driver Forward/Backward Motor Stalled | On-Demand | If the motor does not operate, go to Pinpoint Test K . If motor operates, go to Pinpoint Test L . |
| B1666 | Seat Driver Recline Motor Stalled | On-Demand | If the motor does not operate, go to Pinpoint Test K . If motor operates, go to Pinpoint Test L . |
| B1667 | Mirror Driver Up/Down Motor Stalled | On-Demand | REFER to REAR VIEW MIRRORS article. |
| B1668 | Mirror Driver Right/Left Motor Stalled | On-Demand | REFER to REAR VIEW MIRRORS article. |
| B1669 | Mirror Passenger Up/Down Motor Stalled | On-Demand | REFER to REAR VIEW MIRRORS article. |
| B1670 | Mirror Passenger Right/Left Motor Stalled | On-Demand | REFER to REAR VIEW MIRRORS article. |
| B1703 | Seat Driver Recline Forward Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1707 | Seat Driver Recline Rearward Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1711 | Seat Driver Front Up Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1715 | Seat Driver Front Down Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1719 | Seat Driver Forward Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1723 | Seat Driver Rearward Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1727 | Seat Driver Rear Up Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1731 | Seat Driver Rear Down Switch Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test K . |
| B1952 | Seat Rear Up/Down Position Feedback Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1953 | Seat Rear Up/Down Position Feedback Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1956 | Seat Front Up/Down Position Feedback Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1957 | Seat Front Up/Down Position Feedback Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1960 | Seat Recline Forward/Backward Position Feedback Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1961 | Seat Recline Forward/Backward Position Feedback Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1964 | Seat Horizontal Forward/Rearward Position Feedback Circuit Short to Battery | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1965 | Seat Horizontal Forward/Rearward Position Feedback Circuit Short to Ground | On-Demand and Continuous | Go to Pinpoint Test L . |
| B1987 | Pedal Forward/Rearward Motor Stalled | On-Demand | REFER to BRAKE SYSTEM - GENERAL INFORMATION article. |
| B1988 | Pedal Position Forward Switch Circuit Short to Battery | On-Demand and Continuous | REFER to BRAKE SYSTEM - GENERAL INFORMATION article. |
| B1989 | Pedal Position Rearward Switch Circuit Short to Battery | On-Demand and Continuous | REFER to BRAKE SYSTEM - GENERAL INFORMATION article. |
| B2084 | Memory SET Indicator Short to Ground | On-Demand and Continuous | Go to Pinpoint Test L . |
| B2143 | Non Volatile Memory Failure (EEPROM) | Continuous | CONFIGURE the DSM. REFER to MODULE CONFIGURATION article. CLEAR the DTCs. REPEAT the self-test. If the DTC resets, INSTALL a new DSM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. CONFIGURE the DSM. |
| B2223 | Mirror Driver Up/Down Motor Stalled | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2224 | Mirror Passenger Drive Circuit Failure | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2312 | Mirror Passenger Horizontal Feedback Potentiometer Circuit Failure | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2314 | Mirror Passenger Horizontal Feedback Potentiometer Circuit Short to Battery | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2316 | Mirror Passenger Vertical Feedback Potentiometer Circuit Failure | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2318 | Mirror Passenger Vertical Feedback Potentiometer Circuit Short to Battery | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2320 | Mirror Driver Horizontal Feedback Potentiometer Circuit Failure | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2322 | Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2324 | Mirror Driver Vertical Feedback Potentiometer Circuit Failure | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2326 | Mirror Driver Vertical Feedback Potentiometer Circuit Short to Battery | On-Demand and Continuous | REFER to REAR VIEW MIRRORS article. |
| B2477 | Module Configuration Failure | Continuous | INSTALL a new DSM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. CONFIGURE the DSM. REFER to MODULE CONFIGURATION article. |
| B2971 | Pedal Position Input Short to Ground | On-Demand and Continuous | REFER to BRAKE SYSTEM - GENERAL INFORMATION article. |
| B2972 | Pedal Position Input Short to Battery | On-Demand and Continuous | REFER to BRAKE SYSTEM - GENERAL INFORMATION article. |
| U1900 | CAN Communication Bus Fault - Receive Error | On-Demand and Continuous |
NOTE:
Do not install a new DSM as part of repair for a DSM DTC U1900 fault. The DSM is not the source of the fault when DTC U1900 is present. If DTC U1900 is present on-demand, CHECK the instrument cluster module for DTCs and REPAIR as needed. REFER to INSTRUMENT CLUSTER
article.If DTC U1900 is present continuous only, CHECK for an intermittent MS-CAN fault. REFER to MODULE COMMUNICATIONS NETWORK
article to diagnose the MS-CAN network concern. |
| U2050 | No Application Code Present | On-Demand and Continuous | CONFIGURE the DSM. REFER to MODULE CONFIGURATION article. CLEAR the DTC. REPEAT the self-test. If the DTC does not clear or is retrieved again, INSTALL a new DSM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. CONFIGURE the DSM. |