Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1999TRACER LS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESMODULE COMMUNICATIONS NETWORK SYSTEMDIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS
1999 Mercury Tracer LS, 4D Sedan, Standard
Diagnostic Trouble Code (DTC) Definitions
1999 Mercury Tracer LS, 4D Sedan, StandardSECTION Diagnostic Trouble Code (DTC) Definitions
AIR BAG DIAGNOSTIC MONITOR DTC INDEX (1)
| DTC (2) | Description | Perform Test | ||||||
|---|---|---|---|---|---|---|---|---|
| B1342 | ECU Defective | (3) | ||||||
| B1231 | RCM Crash Data Memory Full | (3) | ||||||
| B1921 | RCM Bracket Ground Resistance High | (3) | ||||||
| B1318 | Battery Voltage Low | (3) | ||||||
| C1414 | Incorrect Vehicle Identification Code | (3) | ||||||
| B1887 | Driver's Side Air Bag Circuit Short To Ground | (3) | ||||||
| B1888 | Passenger's Side Air Circuit Bag Short To Ground | (3) | ||||||
| B1916 | Driver's Side Air Bag Circuit Short To Voltage | (3) | ||||||
| B1925 | Passenger's Side Air Bag Circuit Short To Voltage | (3) | ||||||
| B1879 | Unexpected Feature Present | (3) | ||||||
| B1878 | Unexpected Feature Present | (3) | ||||||
| B1883 | Unexpected Feature Present | (3) | ||||||
| B1882 | Unexpected Feature Present | (3) | ||||||
| B1932 | Driver's Side Air Bag Circuit Resistance High | (3) | ||||||
| B1933 | Passenger's Side Air Bag Circuit Resistance High | (3) | ||||||
| B1934 | Driver's Side Air Bag Circuit Resistance Low | (3) | ||||||
| B1935 | Passenger's Side Air Bag Circuit Resistance Low | (3) | ||||||
| B1941 | Unexpected Feature Present | (3) | ||||||
| B1901 | Unexpected Feature Present | (3) | ||||||
| B1871 | Unexpected Feature Present | (3) | ||||||
| B1889 | Unexpected Feature Present | (3) | ||||||
| B1877 | Unexpected Feature Present | (3) | ||||||
| B1885 | Unexpected Feature Present | (3) | ||||||
| B1881 | Unexpected Feature Present | (3) | ||||||
| B1886 | Unexpected Feature Present | (3) | ||||||
| B1884 | Unexpected Feature Present | (3) | ||||||
| B1890 | Unexpected Feature Present | (3) | ||||||
| B1892 | Air Bag Tone Warning Indicator Circuit Short To Ground Or Open | (3) | ||||||
| B1891 | Air Bag Tone Warning Indicator Circuit Short To Voltage | (3) | ||||||
| B2141 | Non-Volatile Memory Configuration Error | (3) | ||||||
| B1869 | Air Bag Indicator Inoperative | (3) | ||||||
| B1870 | Air Bag Indicator Short To Voltage | (3) | ||||||
|
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ANTI-LOCK BRAKE SYSTEM MODULE DTC INDEX
| DTC | Description | Perform Test | ||
|---|---|---|---|---|
| B1318 | Battery Voltage Low | (1) | ||
| B1342 | ECU Defective | (1) | ||
| C1095 | ABS Hydraulic Pump Motor Circuit Shorted | (1) | ||
| C1096 | ABS Hydraulic Pump Motor Circuit Open | (1) | ||
| C1115 | Shorted Anti-Lock Relay | (1) | ||
| C1140 | Excessive Dump Time Failure | (1) | ||
| C1145 | Right Front ABS Sensor Input Circuit Failure | (1) | ||
| C1148/C1234 | Right Front ABS Sensor Input Signal Missing | (1) | ||
| C1155 | Left Front ABS Sensor Input Circuit Failure | (1) | ||
| C1158/C1233 | Left Front ABS Sensor Input Signal Missing | (1) | ||
| C1165 | Right Rear ABS Sensor Input Circuit Failure | (1) | ||
| C1168/C1235 | Right Rear ABS Sensor Input Signal Missing | (1) | ||
| C1175 | Left Rear ABS Sensor Input Circuit Failure | (1) | ||
| C1178/C1236 | Left Rear ABS Sensor Input Signal Missing | (1) | ||
| C1184 | Excessive ABS Isolation | (1) | ||
| C1185 | Open Anti-Lock Relay | (1) | ||
| C1194/C1196 | Open Or Shorted LF Dump Valve Solenoid | (1) | ||
| C1198/C1200 | Open Or Shorted LF Isolation Valve Solenoid | (1) | ||
| C1220 | Anti-Lock Warning Light Shorted | (1) | ||
| C1222 | Wheel Speed Error | (1) | ||
| C1210/C1212 | Open Or Shorted RF Dump Valve Solenoid | (1) | ||
| C1214/C1216 | Open Or Shorted RF Isolation Valve Solenoid | (1) | ||
| C1242/C1244 | Open Or Shorted LR Dump Valve Solenoid | (1) | ||
| C1246/C1248 | Open Or Shorted RR Dump Valve Solenoid | (1) | ||
| C1250/C1252 | Open Or Shorted LR Isolation Valve Solenoid | (1) | ||
| C1254/C1256 | Open Or Shorted RR Isolation Valve Solenoid | (1) | ||
|
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RAP MODULE SELF-TEST DTC INDEX
| DTC | Description | Perform Test | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| B1334 | Luggage Compartment/Trunk Lid Door Ajar Circuit Short To Ground | (1) | ||||||||
| B1341 | Power Door Unlock Circuit Short To Ground | (2) | ||||||||
| B1522 | Hood Switch Circuit Short To Ground | (3) | ||||||||
| B2425 | Keyless Entry Out Of Synchronization | (4) | ||||||||
|
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.