Diagnostic Trouble Code Definitions

ANTI-LOCK BRAKE SYSTEM MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Go To

B1342

ECU Defective

⁽¹⁾

B1485

Brake Pedal Position Switch Circuit Failure

⁽²⁾

B1676

Battery Voltage Out Of Range

⁽³⁾

B2607

Harness/Configuration Mismatched

⁽³⁾

C1095

Hydraulic Pump Motor Circuit Failure

⁽³⁾

C1145

Right Front ABS Sensor Circuit Failure

⁽³⁾

C1155

Left Front ABS Sensor Circuit Failure

⁽³⁾

C1230

Rear ABS Sensor Circuit Failure

⁽³⁾

C1233

Left Front ABS Sensor Output Failure

⁽³⁾

C1234

Right Front ABS Sensor Output Failure

⁽³⁾

C1237

Rear ABS Sensor Output Failure

⁽³⁾

⁽¹⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Anti-Lock Brake System (ABS) module self-test. If DTC B1342 is retrieved again, replace ABS module.

⁽²⁾	See appropriate TRANSFER CASES - ELECTRONIC CONTROLS article in TRANSMISSION SERVICE & REPAIR.

⁽³⁾	See appropriate ANTI-LOCK BRAKES article in BRAKES.

CENTRAL SECURITY MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Perform Test

B1309

Power Door Lock Circuit Short To Ground

⁽¹⁾

B1341

Power Door Unlock Circuit Short To Ground

⁽¹⁾

B1342

ECU Defective

⁽²⁾

B1485

Brake Pedal Input Circuit Short To Voltage

⁽¹⁾

B1526

Keyless Entry Keypad Switch Circuit Short To Ground

⁽¹⁾

B2276

Less Than 2 Transmitters Programmed

⁽¹⁾

B2425

Keyless Entry Out Of Synchronization

⁽¹⁾

B2477

Module Configuration Error

⁽³⁾

⁽¹⁾	See POWER DOOR LOCKS & REMOTE KEYLESS ENTRY SYSTEMS - EXPLORER SPORT & EXPLORER SPORT TRAC article.

⁽²⁾	Using NGS tester, retrieve and document continuous DTCs. Clear all DTCs. Perform CSM self-test. If DTC B1342 is retrieved again, replace CSM.

⁽³⁾	See MODULE CONFIGURATION under PROGRAMMING.

GENERIC ELECTRONIC MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Go To

B1313

Battery Saver Relay Coil Circuit Failure

⁽¹⁾

B1315

Battery Saver Relay Coil Circuit Short To Voltage

⁽¹⁾

B1317

Battery Voltage High

⁽²⁾

B1318

Battery Voltage Low

⁽²⁾

B1322

Driver's Door Ajar Circuit Short To Ground

⁽¹⁾

B1323

Door Ajar Light Circuit Failure

⁽³⁾

B1325

Door Ajar Light Circuit Short To Voltage

⁽³⁾

B1330

Right Front Door Ajar Circuit Short To Ground

⁽¹⁾

B1334

Deck Lid Ajar Circuit Short To Ground

⁽¹⁾

B1338

Right Rear Door Ajar Circuit Short To Ground

⁽¹⁾

B1340

Chime Input Request Circuit Short To Ground

⁽⁴⁾

B1342

ECU Defective

⁽⁵⁾

B1345

Heated Backlight Input Circuit Short To Ground

⁽⁶⁾

B1347

Heated Backlight Relay Circuit Failure

⁽⁶⁾

B1349

Heated Backlight Relay Circuit Short To Voltage

⁽⁶⁾

B1352

Ignition Key-In Circuit Failure

⁽⁴⁾

B1355

Ignition RUN Circuit Failure

⁽⁷⁾

B1359

Ignition RUN/ACC Circuit Failure

⁽⁷⁾

B1371

Illuminated Entry Relay Circuit Failure

⁽¹⁾

B1373

Interior Light Relay Coil Circuit Short To Voltage

⁽¹⁾

B1398

Driver's Power Window One-Touch Down Relay Circuit Failure

⁽⁸⁾

B1400

Driver's Power Window One-Touch Down Relay Coil Circuit Short To Voltage

⁽⁸⁾

B1404

Driver's Power Window Down Circuit Open

⁽⁸⁾

B1405

Driver's Door Power Window Down Circuit Short To Voltage

⁽⁸⁾

B1410

Driver's Door Power Window Motor Circuit Failure

⁽⁸⁾

B1426

Seat Belt Light Circuit Short To Voltage

⁽³⁾

B1428

Seat Belt Light Failure

⁽³⁾

B1431

Wiper Brake/Run Relay Circuit Failure

⁽⁹⁾

B1432

Wiper Brake/Run Relay Short To Voltage

⁽⁹⁾

B1434

Wiper Hi/Low Speed Relay Circuit Failure

⁽⁹⁾

B1436

Wiper Hi/Low Speed Relay Circuit Short To Voltage

⁽⁹⁾

B1438

Wiper Mode Select Switch Circuit Failure

⁽⁹⁾

B1441

Wiper Mode Select Switch Input Short To Ground

⁽⁹⁾

B1446

Wiper Park Sense Circuit Failure

⁽⁹⁾

B1450

Wiper/Washer Interval Delay Switch Input Circuit Failure

⁽⁹⁾

B1453

Wiper/Washer Interval Delay Switch Input Short To Ground

⁽⁹⁾

B1458

Wiper/Washer Pump Motor Relay Circuit Failure

⁽⁹⁾

B1460

Wiper/Washer Pump Motor Relay Coil Short To Voltage

⁽⁹⁾

B1462

Seat Belt Switch Circuit Failure

⁽⁴⁾

B1466

Wiper Hi/Low Speed Not Switching

⁽⁹⁾

B1467

Wiper Motor Hi/Low Speed Circuit Short To Voltage

⁽⁹⁾

B1473

Wiper Motor Low Speed Circuit Failure

⁽⁹⁾

B1476

Wiper Motor High Speed Circuit Failure

⁽⁹⁾

B1483

Brake Pedal Input Circuit Failure

⁽¹⁰⁾

B1485

Brake Pedal Input Circuit Short To Voltage

⁽¹⁰⁾

B1574

Left Rear Door Ajar Circuit Short To Ground

⁽¹⁾

B1577

Parking Light Input Circuit Short To Voltage

⁽⁴⁾

B1610

Illuminated Entry Input Circuit Short To Ground

⁽¹⁾

B1611

Rear Wiper Mode Select Switch Circuit Failure

⁽⁹⁾

B1614

Rear Wiper Mode Select Switch Circuit Short To Ground

⁽⁹⁾

B1814

Rear Wiper Motor Down Relay Circuit Failure

⁽⁹⁾

B1816

Rear Wiper Motor Down Relay Coil Circuit Short To Voltage

⁽⁹⁾

B1818

Rear Wiper Motor Up Relay Coil Circuit Failure

⁽⁹⁾

B1820

Rear Wiper Motor Up Relay Circuit Short To Voltage

⁽⁹⁾

B1839

Rear Wiper Motor Circuit Failure

⁽⁹⁾

B1840

Front Wiper Power Circuit Failure

⁽⁹⁾

B1894

Rear Wiper Motor Speed Sense Circuit Failure

⁽⁹⁾

B2105

Throttle Position Input Signal Out Of Range - Low

⁽¹⁰⁾

B2106

Throttle Position Input Signal Out Of Range - High

⁽¹⁰⁾

C1751

Vehicle Speed Sensor No. 1 Output Circuit Short To Voltage

⁽³⁾

C1752

Vehicle Speed Sensor No. 1 Output Short To Ground

⁽³⁾

P0500

Vehicle Speed Signal Circuit Failure

⁽¹⁰⁾

P1804

4-Wheel Drive High Indicator Circuit Failure

⁽³⁾

P1806

4-Wheel Drive High Indicator Circuit Short To Voltage

⁽³⁾

P1808

4-Wheel Drive Low Indicator Circuit Failure

⁽³⁾

P1810

4-Wheel Drive Low Indicator Circuit Short To Voltage

⁽³⁾

⁽¹⁾	Check wiring harness for open and/or short circuits and repair as necessary. See appropriate ILLUMINATION/INTERIOR LIGHTS article.

⁽²⁾	See appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.

⁽³⁾	See ANALOG INSTRUMENT CLUSTER - EXPLORER SPORT & EXPLORER SPORT TRAC article.

⁽⁴⁾	Check wiring harness for open and/or short circuits and repair as necessary. See appropriate WARNING SYSTEMS article.

⁽⁵⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Generic Electronic Module (GEM) self-test. If DTC B1342 is retrieved again, replace GEM.

⁽⁶⁾	See appropriate REAR WINDOW DEFOGGERS article.

⁽⁷⁾	See appropriate STEERING COLUMN SWITCHES.

⁽⁸⁾	See appropriate POWER WINDOWS.

⁽⁹⁾	See appropriate WIPER/WASHER SYSTEMS.

⁽¹⁰⁾	See appropriate TRANSFER CASE - ELECTRONIC CONTROLS.

POWERTRAIN CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Go To

B1213

Number Of Programmed PATS Keys Below Minimum

⁽¹⁾

B1232

Antenna Not Connected Or Defective Transceiver

⁽¹⁾

B1342

ECU Defective

⁽²⁾

B1600

PATS Ignition Key Transponder Signal Is Not Received

⁽¹⁾

B1601

PATS Received Incorrect Key Code From Ignition Key Transponder

⁽¹⁾

B1602

PATS Received Invalid Format Of Key Code From Ignition Key Transponder

⁽¹⁾

B1681

PATS Transceiver Signal Not Received

⁽¹⁾

B2103

Antenna Not Connected

⁽¹⁾

B2431

Key Program Failure (Defective Key Or Transceiver)

⁽³⁾

⁽¹⁾	Perform appropriate test in PASSIVE ANTI-THEFT SYSTEMS - EXPLORER SPORT & EXPLORER SPORT TRAC article.

⁽²⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Powertrain Control Module (PCM) self-test. If DTC B1342 is retrieved again, replace PCM.

⁽³⁾	Verify if customer is using correct PATS key. Replace if PATS key is defective.

REMOTE ANTI-THEFT PERSONALITY MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Go To

B1309

Power Door Lock Circuit Short To Ground

⁽¹⁾

B1341

Power Door Unlock Circuit Short To Ground

⁽¹⁾

B1485

Brake Pedal Input Circuit Short To Voltage

⁽¹⁾

B1526

Keypad Switch Circuit Short To Ground

⁽¹⁾

B1629

PRNDL Reverse Input Short To Voltage

⁽¹⁾

B2425

Keyless Entry Out Of Synchronization

⁽¹⁾

⁽¹⁾	See appropriate POWER DOOR LOCKS & REMOTE KEYLESS ENTRY SYSTEMS article.

RESTRAINT CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Go To

B1231

Longitudinal Acceleration Threshold Exceeded

⁽¹⁾

B1342

ECU Defective

⁽¹⁾

B1869

Air Bag Indicator Inoperative

⁽¹⁾

B1870

Air Bag Indicator Short To Voltage

⁽¹⁾

B1887

Driver's Side Air Bag Circuit Short To Ground

⁽¹⁾

B1888

Passenger's Side Air Bag Circuit Bag Short To Ground

⁽¹⁾

B1891

Air Bar Tone Warning Indicator Circuit Short To Voltage

⁽¹⁾

B1892

Air Bag Tone Warning Indicator Circuit Short To Ground Or Open

⁽¹⁾

B1916

Driver's Side Air Bag Circuit Short To Voltage

⁽¹⁾

B1921

RCM Bracket Ground Resistance High

⁽¹⁾

B1925

Passenger's Side Air Bag Circuit Short To Voltage

⁽¹⁾

B1932

Driver's Side Air Bag Circuit Resistance High

⁽¹⁾

B1933

Passenger's Side Air Bag Circuit Resistance High

⁽¹⁾

B1934

Driver's Side Air Bag Circuit Resistance Low

⁽¹⁾

B1935

Passenger's Side Air Bag Circuit Resistance Low

⁽¹⁾

B1992

Driver's Side Air Bag Circuit Short To Voltage

⁽¹⁾

B1993

Driver's Side Air Bag Circuit Short To Ground

⁽¹⁾

B1994

Driver's Side Air Bag Circuit High Resistance

⁽¹⁾

B1995

Driver's Side Air Bag Circuit Low Resistance

⁽¹⁾

B1996

Passenger's Side Air Bag Circuit Short To Voltage

⁽¹⁾

B1997

Passenger's Side Air Bag Circuit Short To Ground

⁽¹⁾

B1998

Passenger's Side Air Bag Circuit High Resistance

⁽¹⁾

B1999

Passenger's Side Air Bag Circuit Low Resistance

⁽¹⁾

B2440

Passenger's Side Crash Sensor Mounting Failure

⁽¹⁾

B2441

Driver's Side Crash Sensor Mounting Failure

⁽¹⁾

B2444

Driver's Side Crash Sensor Internal Fault

⁽¹⁾

B2445

Passenger's Side Crash Sensor Internal Fault

⁽¹⁾

B2477

Module Configuration Failure

⁽¹⁾

C1414

Incorrect Vehicle Identification Code

⁽¹⁾

⁽¹⁾	Repair supplemental restraint system as necessary. See DIAGNOSIS & TESTING article in appropriate lemon-25(R) AIR BAG SERVICE & REPAIR MANUAL, DOMESTIC & IMPORTED MODELS.

4WD CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Go To

B1317

Battery Voltage High

⁽¹⁾

B1318

Battery Voltage Low

⁽¹⁾

B1342

ECU Defective

⁽²⁾

B1355

Ignition Run Circuit Failure

⁽³⁾

B1483

Brake Pedal Input Circuit Failure

⁽³⁾

B1485

Brake Pedal Input Battery Short

⁽³⁾

B1555

Ignition Run/Start Circuit Failure

⁽³⁾

C1728

Transfer Case Unable To Transition Between 2WD High & 4WD High

⁽³⁾

C1729

Transfer Case Unable To Transition Between 4WD High & 4WD Low

⁽³⁾

P0500

Vehicle Speed Sensor Malfunction

⁽³⁾

P1804

Transmission 4WD High Indicator Circuit Failure

⁽⁴⁾

P1806

Transmission 4WD High Indicator Short To Voltage

⁽⁴⁾

B1808

Transmission 4WD Low Indicator Circuit Failure

⁽⁴⁾

P1810

Transmission 4WD Low Indicator Short To Voltage

⁽⁴⁾

P1812

Transmission 4WD Mode Select Circuit Failure

⁽³⁾

P1815

Transmission 4WD Mode Select Short To Ground

⁽³⁾

P1816

Transmission Neutral Safety Switch Circuit Failure

⁽³⁾

P1819

Transmission Neutral Safety Switch Short To Ground

⁽³⁾

P1849

Transmission Transfer Case Contact Plate "A" Short To Ground

⁽³⁾

P1853

Transmission Transfer Case Contact "B" Short To Ground

⁽³⁾

P1857

Transmission Transfer Case Contact Plate "C" Short To Ground

⁽³⁾

P1861

Transmission Transfer Case Contact Plate "D" Short To Ground

⁽³⁾

P1867

Transmission Transfer Case Contact Plate General Circuit Failure

⁽³⁾

P1891

Transmission Transfer Case Contact Plate Ground Return Circuit Open

⁽³⁾

⁽¹⁾	Check battery voltage. See GENERATORS & REGULATORS - EXPLORER SPORT & EXPLORER SPORT TRAC article in STARTING & CHARGING.

⁽²⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform 4WD control module self-test. If DTC B1342 is retrieved again, replace 4WD control module.

⁽³⁾	See appropriate TRANSFER CASES - ELECTRONIC CONTROLS article in TRANSMISSION SERVICE & REPAIR.

⁽⁴⁾	See ANALOG INSTRUMENT CLUSTER - EXPLORER SPORT & EXPLORER SPORT TRAC article.