DTC Charts
WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
The DTCs can be retrieved from the restraints control module (RCM) with a scan tool via the data link connector (DLC).
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DIAGNOSTIC TROUBLE CODE INDEX
| DTCa | Description | Action To Take |
|---|---|---|
| - | The Air Bag Warning Indicator is Illuminated Continuously - RCM Disconnected or Inoperative, Loss of Battery Feed or Loss of Signal Ground | Go to Pinpoint Test A . |
| B1231 | Event Threshold Exceeded | Install a new restraints control module (RCM) and impact sensors. REFER to Inspection and Repair After a Supplemental Restraint System (SRS) Deployment . |
| B1317 | Battery Voltage High | CHECK battery voltage; to be below 16 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION article. |
| B1318 | Battery Voltage Low | CHECK battery voltage; to be above 9 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION article. |
| B1342 | ECU Is Faulted | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| B1869 | Lamp Air Bag Warning Indicator Circuit Open | Go to Pinpoint Test B . |
| B1870 | Lamp Air Bag Warning Indicator Circuit Short To Battery | Go to Pinpoint Test C . |
| B1884 | PAD Warning Lamp Circuit Failure | Go to Pinpoint Test D . |
| B1890 | PAD Warning Lamp Circuit Short to Battery | Go to Pinpoint Test E . |
| B1891 | Air Bag Tone Warning Indicator Circuit Short to Battery | Go to Pinpoint Test F . |
| B1892 | Air Bag Tone Warning Indicator Circuit Failure | Go to Pinpoint Test G . |
| B1921 | Air Bag Diagnostic Monitor Ground Circuit Open | Go to Pinpoint Test H . |
| B2290 | Occupant Classification System Fault | Go to Pinpoint Test I . |
| B2292 | Restraint System - Seatbelt Pretensioner Fault | Go to Pinpoint Test J . |
| B2293 | Restraint System - Airbag Fault | Go to Pinpoint Test K . |
| B2295 | Restraint System - Side Airbag Fault | Go to Pinpoint Test L . |
| B2296 | Restraint System - Impact Sensor Fault | Go to Pinpoint Test M . |
| B2432 | Drivers Seat Belt Buckle Switch Circuit Open | Go to Pinpoint Test N . |
| B2433 | Drivers Seat Belt Buckle Switch Circuit Short to Battery | Go to Pinpoint Test O . |
| B2434 | Drivers Seat Belt Buckle Switch Circuit Short to Ground | Go to Pinpoint Test P . |
| B2435 | Driver Safety Belt Buckle Switch Circuit Resistance Out of Range | Go to Pinpoint Test Q . |
| B2436 | Passengers Seat Belt Buckle Switch Circuit Open | Go to Pinpoint Test R . |
| B2437 | Passengers Seat Belt Buckle Switch Circuit Short to Battery | Go to Pinpoint Test S . |
| B2438 | Passengers Seat Belt Buckle Switch Circuit Short to Ground | Go to Pinpoint Test T . |
| B2439 | Passengers Seat Belt Buckle Switch Resistance out of Range | Go to Pinpoint Test U . |
| B2477 | Module Configuration Error | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| B2792 | Cross Link Between Firing Loops | Go to Pinpoint Test V . |
| B2909 | Belt Tension Sensor Fault | Go to Pinpoint Test W . |
| B2984 | Deployable Steering Column Circuit Open | Go to Pinpoint Test X . |
| B2985 | Deployable Steering Column Circuit Short to Battery | Go to Pinpoint Test Y . |
| B2986 | Deployable Steering Column Circuit Short to Ground | Go to Pinpoint Test Z . |
| B2987 | Deployable Steering Column Circuit Resistance Low on Squib | Go to Pinpoint Test AA . |
| C1414 | Incorrect Module Design Level | Go to Pinpoint Test AB . |
| C1946 | Front Driver's Seat Track Position Switch Circuit Open | Go to Pinpoint Test AC . |
| C1947 | Front Driver's Seat Track Position Switch Circuit Short to Ground | Go to Pinpoint Test AD . |
| C1948 | Front Driver's Seat Track Position Switch Circuit Resistance Out of Range | Go to Pinpoint Test AE . |
| C1982 | Front Driver's Seat Track Position Switch Circuit Short to Battery | Go to Pinpoint Test AF . |
| - | No Communication with the Restraints Control Module (RCM) | REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the no communication concern. |
a DTC: Retrieved using scan tool.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) LAMP FAULT CODE (LFC) TABLE
| LFCa | LFC Priority | Description | Action To Take |
|---|---|---|---|
| - | - | No Communication with the Restraints Control Module (RCM) | REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the communication concern. |
| NONE Secondary Air Bag Warning Sounds if Another Fault is Present |
1 | Lamp Air Bag Warning Indicator Circuit Short to Battery | Go to Pinpoint Test C . |
| NONE Continuous Lamp Secondary Air Bag Warning Sounds if Another Fault is Present |
1 | Lamp Air Bag Warning Indicator Circuit Open | Go to Pinpoint Test B . |
| Continuous | 2 | The Air Bag Warning Indicator is Illuminated Continuously - RCM Disconnected or Inoperative, Loss of Battery Feed or Loss of Signal Ground | Go to Pinpoint Test A . |
| Continuous | 2 | Battery Voltage High | CHECK battery voltage; to be below 16 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION article. |
| Continuous | 2 | Battery Voltage Low | CHECK battery voltage; to be above 9 volts. REFER to CHARGING SYSTEM - GENERAL INFORMATION article. |
| Flashing (5Hz) | 95 | Incorrect Module Design Level (RCM in Plant Mode Fault) | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| 1-2 | 4 | ECU is Faulted | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| 1-3 | 5 | Event Threshold Exceeded | INSTALL a new RCM and impact sensors. REFER to Inspection and Repair After a Supplemental Restraint System (SRS) Deployment . |
| 1-4 | 6 | Air Bag Diagnostic Monitor Ground Circuit Open | Go to Pinpoint Test H . |
| 1-5 | 7 | Incorrect Module Design Level (RCM Version Conflicts with OCS Version) | Go to Pinpoint Test AB . |
| 1-6 | 81 | Occupant Classification System Fault (OCS Communication) | Go to Pinpoint Test I . |
| 1-8 | 86 | PAD Warning Lamp Circuit Failure | Go to Pinpoint Test D . |
| 1-9 | 46 | Air Bag Circuit Open - Loop No. 1, Front Driver Side | Go to Pinpoint Test K . |
| 2-1 | 54 | Air Bag Circuit Open - Loop No. 1, Front Passenger Side | Go to Pinpoint Test K . |
| 2-2 | 70 | Side Air Bag Circuit Open, Front Driver Side | Go to Pinpoint Test L . |
| 2-3 | 74 | Side Air Bag Circuit Open, Front Passenger Side | Go to Pinpoint Test L . |
| 3-3 | 62 | Pretensioner Circuit Open, Front Driver Side | Go to Pinpoint Test J . |
| 3-4 | 66 | Pretensioner Circuit Open, Front Passenger Side | Go to Pinpoint Test J . |
| 4-2 | 19 | Driver/Center Front Crash Sensor Communication Fault | Go to Pinpoint Test M . |
| 4-3 | 29 | Side Crash Sensor Communication Fault, Front Driver Side | Go to Pinpoint Test M . |
| 4-4 | 34 | Side Crash Sensor Communication Fault, Front Passenger Side | Go to Pinpoint Test M . |
| 4-9 | 90 | Front Driver's Seat Track Position Switch Circuit Open | Go to Pinpoint Test AC . |
| 4-11 | 17 | Driver/Center Front Crash Sensor Mount/Communication Fault | Go to Pinpoint Test M . |
| 4-12 | 27 | Side Crash Sensor Mount or Communication Fault, Front Driver Side | Go to Pinpoint Test M . |
| 4-13 | 32 | Side Crash Sensor Mount or Communication Fault, Front Passenger Side | Go to Pinpoint Test M . |
| 5-1 | 38 | Front Drivers Seat Belt Buckle Switch Circuit Open | Go to Pinpoint Test N . |
| 5-2 | 42 | Passengers Seat Belt Buckle Switch Circuit Open | Go to Pinpoint Test R . |
| 5-3 | 94 | Air Bag Tone Warning Indicator Circuit Failure | Go to Pinpoint Test G . |
| 5-4 | 12 | Module Configuration Error (RCM Configured Incorrectly) | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| 6-1 | 18 | Driver/Center Front Crash Sensor Internal Fault | Go to Pinpoint Test M . |
| 6-2 | 28 | Side Crash Sensor Internal Fault, Front Driver Side | Go to Pinpoint Test M . |
| 6-3 | 33 | Side Crash Sensor Internal Fault, Front Passenger Side | Go to Pinpoint Test M . |
| 6-6 | 16 | Driver/Center Front Crash Sensor Circuit Short to Ground | Go to Pinpoint Test M . |
| 6-7 | 26 | Side Crash Sensor Circuit Short to Ground, Front Driver Side | Go to Pinpoint Test M . |
| 6-8 | 31 | Passenger Front Crash Sensor Circuit Short to Ground | Go to Pinpoint Test M . |
| 6-11 | 15 | Driver/Center Front Crash Sensor Circuit Short to Battery | Go to Pinpoint Test M . |
| 6-12 | 25 | Side Crash Sensor Circuit Short to Battery, Front Driver Side | Go to Pinpoint Test M . |
| 6-13 | 30 | Side Crash Sensor Circuit Short to Battery, Front Passenger Side | Go to Pinpoint Test M . |
| 7-1 | 36 | Drivers Seat Belt Buckle Switch Circuit Short to Ground | Go to Pinpoint Test P . |
| 7-2 | 40 | Passengers Seat Belt Buckle Switch Circuit Short to Ground | Go to Pinpoint Test T . |
| 7-3 | 88 | Front Driver's Seat Track Position Switch Circuit Short to Ground | Go to Pinpoint Test AD . |
| 7-5 | 37 | Drivers Seat Belt Buckle Switch Resistance Out of Range | Go to Pinpoint Test Q . |
| 7-6 | 41 | Passengers Seat Belt Buckle Switch Resistance Out of Range | Go to Pinpoint Test U . |
| 7-7 | 89 | Front Driver's Seat Track Position Switch Circuit Resistance Out of Range | Go to Pinpoint Test AE . |
| 7-9 | 35 | Drivers Seat Belt Buckle Switch Circuit Short to Battery | Go to Pinpoint Test O . |
| 7-10 | 39 | Passengers Seat Belt Buckle Switch Circuit Short to Battery | Go to Pinpoint Test S . |
| 7-11 | 87 | Front Driver's Seat Track Position Switch Circuit Short to Battery | Go to Pinpoint Test AF . |
| 7-13 | 91 | Front Passenger Side Belt Tension Sensor Circuit Fault | Go to Pinpoint Test W . |
| 7-14 | 92 | Front Passenger Side Belt Tension Sensor Short to Ground | Go to Pinpoint Test W . |
| 8-1 | 50 | Air Bag Circuit Open - Loop No. 2, Front Driver Side | Go to Pinpoint Test K . |
| 8-2 | 58 | Air Bag Circuit Open - Loop No. 2, Front Passenger Side | Go to Pinpoint Test K . |
| 8-3 | 45 | Air Bag Circuit Short to Ground - Loop No. 1, Front Driver Side | Go to Pinpoint Test K . |
| 8-4 | 49 | Air Bag Circuit Short to Ground - Loop No. 2, Front Driver Side | Go to Pinpoint Test K . |
| 8-5 | 53 | Air Bag Circuit Short to Ground - Loop No. 1, Front Passenger Side | Go to Pinpoint Test K . |
| 8-6 | 57 | Air Bag Circuit Short to Ground - Loop No. 2, Front Passenger Side | Go to Pinpoint Test K . |
| 8-7 | 44 | Air Bag Circuit Short to Battery - Loop No. 1, Front Driver Side | Go to Pinpoint Test K . |
| 8-8 | 48 | Air Bag Circuit Short to Battery - Loop No. 2, Front Driver Side | Go to Pinpoint Test K . |
| 8-9 | 52 | Air Bag Circuit Short to Battery - Loop No. 1, Front Passenger Side | Go to Pinpoint Test K . |
| 8-10 | 56 | Air Bag Circuit Short to Battery - Loop No. 2, Front Passenger Side | Go to Pinpoint Test K . |
| 8-11 | 47 | Air Bag Inflator Circuit Resistance Low - Loop No. 1, Front Driver Side | Go to Pinpoint Test K . |
| 8-12 | 51 | Air Bag Inflator Circuit Resistance Low - Loop No. 2, Front Driver Side | Go to Pinpoint Test K . |
| 8-13 | 55 | Air Bag Inflator Circuit Resistance Low - Loop No. 1, Front Passenger Side | Go to Pinpoint Test K . |
| 8-14 | 39 | Air Bag Inflator Circuit Resistance Low - Loop No. 2, Front Passenger Side | Go to Pinpoint Test K . |
| 9-1 | 69 | Side Air Bag Circuit Short to Ground, Front Driver Side | Go to Pinpoint Test L . |
| 9-2 | 73 | Side Air Bag Circuit Short to Ground, Front Passenger Side | Go to Pinpoint Test L . |
| 9-3 | 61 | Pretensioner Circuit Short to Ground, Front Driver Side | Go to Pinpoint Test J . |
| 9-4 | 65 | Pretensioner Circuit Short to Ground, Front Passenger Side | Go to Pinpoint Test J . |
| 9-5 | 68 | Driver Seat Side Air Bag Short to Battery Fault | Go to Pinpoint Test L . |
| 9-6 | 72 | Side Air Bag Circuit Short to Battery, Front Driver Side | Go to Pinpoint Test L . |
| 9-7 | 60 | Pretensioner Circuit Short to Battery, Front Driver Side | Go to Pinpoint Test J . |
| 9-8 | 64 | Pretensioner Circuit Short to Battery, Front Passenger Side | Go to Pinpoint Test J . |
| 9-9 | 71 | Side Air Bag Circuit Resistance Low, Front Driver Side | Go to Pinpoint Test L . |
| 9-10 | 75 | Side Air Bag Circuit Resistance Low, Front Passenger Side | Go to Pinpoint Test L . |
| 9-11 | 63 | Pretensioner Circuit Resistance Low, Front Driver Side | Go to Pinpoint Test J . |
| 9-12 | 67 | Pretensioner Circuit Resistance Low, Front Passenger Side | Go to Pinpoint Test J . |
| 10-14 | 85 | PAD Warning Lamp Circuit Short To Battery | Go to Pinpoint Test E . |
| 10-15 | 93 | Air Bag Tone Warning Indicator Circuit Short to Battery | Go to Pinpoint Test F . |
| 11-1 | 8 | Incorrect Module Design Level (RCM Version Conflicts with LH Front Impact Severity Sensor Version) | Go to Pinpoint Test AB . |
| 11-2 | 10 | Incorrect Module Design Level (RCM Version Conflicts with Driver Side Impact Sensor Version) | Go to Pinpoint Test AB . |
| 11-3 | 11 | Incorrect Module Design Level (RCM Version Conflicts with Passenger Side Impact Sensor Version) | Go to Pinpoint Test AB . |
| 11-6 | 13 | Module Configuration Error (Restraints Component Installed But not Expected: OCS) | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| 11-7 | 14 | Module Configuration Error (Restraints Component Installed But not Expected: PAD Indicator) | INSTALL a new RCM. REFER to Restraints Control Module (RCM) . |
| 11-8 | 80 | Generic OCS Module Fault, Front Pass. Side | Go to Pinpoint Test I . |
| 11-9 | 83 | OCS Calibration Fault, Front Pass. Side | Go to Pinpoint Test I . |
| 11-10 | 82 | OSC Sensing element fault, front passenger side | Go to Pinpoint Test I . |
| 11-11 | 84 | Occupant Classification Sensor Mounting Fault, Front Passenger Side | Go to Pinpoint Test I . |
| 12-1 | 9 | Incorrect Module Design Level (RCM Version Conflicts with RH Front Impact Severity Sensor Version) | Go to Pinpoint Test AB . |
| 12-2 | 22 | Passenger Front Crash Sensor Mount/Communication Fault | Go to Pinpoint Test M . |
| 12-3 | 23 | Passenger Front Crash Sensor Internal Fault | Go to Pinpoint Test M . |
| 12-4 | 24 | Passenger Front Crash Sensor Communication Fault | Go to Pinpoint Test M . |
| 12-5 | 21 | Passenger Front Crash Sensor Circuit Short to Ground | Go to Pinpoint Test M . |
| 12-6 | 20 | Passenger Front Crash Sensor Circuit Short to Battery | Go to Pinpoint Test M . |
| 12-7 | 78 | Deployable Steering Column Circuit Open | Go to Pinpoint Test X . |
| 12-8 | 76 | Deployable Steering Column Circuit Short to Battery | Go to Pinpoint Test Y . |
| 12-9 | 77 | Deployable Steering Column Circuit Short to Ground | Go to Pinpoint Test Z . |
| 12-10 | 79 | Deployable Steering Column Circuit Resistance Low on Squib | Go to Pinpoint Test AA . |
| 12-11 | 43 | Cross Link Between Firing Loops | Go to Pinpoint Test V . |
a LFC: Flashed on air bag warning indicator.