Diagnostic Trouble Code Definitions

GENERIC ELECTRONIC MODULE/CENTRAL TIMER MODULE (GEM/CTM) DTC DEFINITIONS

DTC

Definition

Perform Test

B1302

Accessory Delay Relay Coil Circuit Failure

⁽¹⁾

B1304

Accessory Delay Relay Coil Circuit Short To Power

⁽¹⁾

B1313

Battery Saver Relay Coil Circuit Failure

⁽²⁾

B1315

Battery Saver Relay Coil Circuit Short To Power

⁽²⁾

B1317

Battery Voltage High

⁽³⁾⁽⁴⁾

B1318

Battery Voltage Low

⁽³⁾⁽⁴⁾

B1322

Driver Door Ajar Circuit Short To Ground

⁽²⁾⁽⁴⁾

B1323

Driver Door Ajar Light Circuit Failure

⁽⁵⁾

B1325

Door Ajar Light Circuit Short To Power

⁽⁵⁾

B1330

Passenger Door Ajar Circuit Short To Ground

⁽²⁾⁽⁴⁾

B1340

Chime Input Request Circuit Short To Ground

⁽⁶⁾

B1342

GEM/CTM Is Defective

⁽⁷⁾

B1352

Ignition Key-In Circuit Failure

⁽⁶⁾⁽⁴⁾

B1355

Ignition RUN Circuit Failure

⁽⁸⁾

B1359

Ignition RUN/ACC Circuit Failure

⁽⁸⁾

B1371

Illuminated Entry Relay Circuit Failure

⁽²⁾

B1373

Illuminated Entry Relay Short To Power

⁽²⁾

B1398

Driver Door One-Touch Window Relay Circuit Failure

⁽¹⁾

B1400

Driver Door One-Touch Window Relay Coil Circuit Short To Power

⁽¹⁾

B1404

Driver Door Window Down Switch Input Circuit Open

⁽¹⁾

B1405

Driver Door Window Down Switch Input Circuit Short To Power

⁽¹⁾

B1410

Driver Door Window Motor Circuit Failure

⁽¹⁾⁽⁴⁾

B1426

Seat Belt Light Circuit Short To Power

⁽⁵⁾

B1428

Seat Belt Light Circuit Failure

⁽⁵⁾

B1431

Wiper Brake/Run Relay Circuit Failure

⁽⁹⁾

B1432

Wiper Brake/Run Relay Circuit Short To Power

⁽⁹⁾

B1434

Wiper High/Low Speed Relay Circuit Failure

⁽⁹⁾

B1436

Wiper High/Low Speed Relay Circuit Short To Power

⁽⁹⁾

B1438

Wiper Mode Select Switch Circuit Failure

⁽⁹⁾⁽⁴⁾

B1441

Wiper Mode Select Switch Short To Ground

⁽⁹⁾⁽⁴⁾

B1446

Wiper Park Sense Circuit Failure

⁽⁹⁾⁽⁴⁾

B1450

Wiper/Wash Interval Delay Switch Input Failure

⁽⁹⁾⁽⁴⁾

B1453

Wiper/Wash Interval Delay Switch Input Short To Ground

⁽⁹⁾⁽⁴⁾

B1458

Wiper/Washer Pump Motor Relay Circuit Failure

⁽⁹⁾

B1460

Wiper/Washer Pump Motor Relay Coil Short To Power

⁽⁹⁾

B1462

Seat Belt Switch Circuit Failure

⁽⁶⁾⁽⁴⁾

B1463

Seat Belt Switch Circuit Open

⁽⁶⁾

B1466

Wiper High/Low Speed Not Switching

⁽⁹⁾

B1467

Wiper Motor Hi/Low Speed Circuit Short To Power

⁽⁹⁾

B1473

Wiper Motor Low Speed Circuit Failure

⁽⁹⁾

B1475

Delayed Accessory Relay Contacts Short To Power

⁽¹⁾

B1476

Wiper Motor High Speed Circuit Failure

⁽⁹⁾

B1483

Brake Pedal Input Circuit Failure

⁽¹⁰⁾

B1485

Brake Pedal Input Circuit Short To Power

⁽¹⁰⁾

B1577

Parking Light Input Circuit Short To Power

⁽⁶⁾⁽⁴⁾

B1610

Illuminated Entry Input Circuit Short To Ground

⁽²⁾⁽⁴⁾

B1833

Door Unlock Switch Circuit Short To Ground

⁽¹¹⁾

B1834

Door Lock Disarm Output Circuit Failure

⁽¹¹⁾

B1836

Door Lock Disarm Output Circuit Short To Power

⁽¹¹⁾

B1840

Wiper Power Circuit Failure

⁽⁹⁾

B2141

NVM Configuration Failure

⁽¹²⁾

C1751

VSS Output Short To Power

⁽⁵⁾

C1752

VSS Output Short To Ground

⁽⁵⁾

P0500

Vehicle Speed Signal Circuit Failure

⁽¹⁰⁾

P1804

4WD High Indicator Circuit Failure

⁽¹⁰⁾

P1806

4WD High Indicator Circuit Short To Power

⁽¹⁰⁾

P1808

4WD Low Indicator Circuit Failure

⁽¹⁰⁾

P1810

4WD Low Indicator Circuit Short To Power

⁽¹⁰⁾

P1812

4WD Mode Select Switch Circuit Failure

⁽¹⁰⁾

P1815

4WD Mode Select Switch Circuit Short To Ground

⁽¹⁰⁾

P1820

Transfer Case Clockwise Shift Relay Coil Circuit Failure

⁽¹⁰⁾

P1822

Transfer Case Clockwise Shift Relay Coil Short To Power

⁽¹⁰⁾

P1824

4WD Electric Clutch Relay Circuit Failure

⁽¹⁰⁾

P1826

4WD Low Clutch Relay Circuit Short To Power

⁽¹⁰⁾

P1828

Transfer Case Counterclockwise Shift Relay Coil Circuit Failure

⁽¹⁰⁾

P1830

Transfer Case Counterclockwise Shift Relay Coil Short To Power

⁽¹⁰⁾

P1832

Transfer Case Differential Lock-Up Solenoid Failure

⁽¹⁰⁾

P1833

Transfer Case Differential Lock-Up Solenoid Open Circuit

⁽¹⁰⁾

P1834

Transfer Case Differential Lock-Up Solenoid Short To Power

⁽¹⁰⁾

P1835

Transfer Case Differential Lock-Up Solenoid Short To Ground

⁽¹⁰⁾

P1838

Transfer Case Shift Motor Circuit Failure

⁽¹⁰⁾

P1846

Transfer Case Contact Plate "A" Circuit Failure

⁽¹⁰⁾

P1850

Transfer Case Contact Plate "B" Circuit Failure

⁽¹⁰⁾

P1854

Transfer Case Contact Plate "C" Circuit Failure

⁽¹⁰⁾

P1858

Transfer Case Contact Plate "D" Circuit Failure

⁽¹⁰⁾

P1863

Transfer Case Contact Plate Power Circuit Open

⁽¹⁰⁾

P1866

Transfer Case System Concern

⁽¹⁰⁾

P1867

Transfer Case Contact Plate General Circuit Failure

⁽¹⁰⁾

P1875

Automatic Hall Effect Sensor Power Circuit Short To Power

⁽¹⁰⁾

P1878

Transfer Case Disengage Solenoid Circuit Failure

⁽¹⁰⁾

P1879

Transfer Case Disengage Solenoid Open Circuit

⁽¹⁰⁾

P1880

Transfer Case Disengage Solenoid Short To Power

⁽¹⁰⁾

P1885

Transfer Case Disengage Solenoid Short To Ground

⁽¹⁰⁾

P1891

Transfer Case Contact Plate Ground Return Circuit Open

⁽¹⁰⁾

⁽¹⁾	See POWER WINDOWS - RANGER article for testing procedures.

⁽²⁾	Test wiring for opens and/or shorts and repair as necessary. See appropriate wiring diagram in ILLUMINATION/INTERIOR LIGHTS article.

⁽³⁾	See GENERATORS - RANGER article in STARTING & CHARGING SYSTEMS for testing procedures.

⁽⁴⁾	This DTC may also be present from GEM/CTM wiggle test.

⁽⁵⁾	See ANALOG INSTRUMENT PANELS - RANGER article for testing procedures.

⁽⁶⁾	Test wiring for opens and/or shorts and repair as necessary. See appropriate wiring diagram in WARNING SYSTEMS article.

⁽⁷⁾	Using NGS tester, clear DTCs. Retrieve DTCs. If DTC B1342 is retrieved, replace GEM/CTM and retest system operation.

⁽⁸⁾	See STEERING COLUMN SWITCHES - RANGER for testing procedures.

⁽⁹⁾	See WIPER/WASHER SYSTEMS - RANGER article for testing procedures.

⁽¹⁰⁾	See appropriate TRANSFER CASES article in TRANSMISSIONS for testing procedures.

⁽¹¹⁾	Test wiring for opens and/or shorts and repair as necessary. See appropriate wiring diagram in REMOTE KEYLESS ENTRY SYSTEMS article.

⁽¹²⁾	Vehicle speed calibration data is not programmed into GEM/CTM. Use scan tool help screen on configuration card to program tire size and axle ratio. Retest system operation. If DTC B2141 is still present, replace GEM/CTM and retest system operation.

PASSIVE ANTI-THEFT SYSTEM MODULE DTC INDEX

DTC

Description

⁽¹⁾ Perform Test

B1213

Anti-Theft Number Of Programmed Encoded Ignition Keys Is Below Minimum

⁽²⁾ B1213

B1232

PATS Transceiver Antenna Not Connected Or Defective Transceiver

B2103

B1600

PATS Ignition Key Transponder Signal Not Received/Damaged Encoded Ignition Key Or Use Of Non-PATS Key

B1600

B1601

Unprogrammed Encoded Ignition Key

B1601

B1602

Invalid Key Code Format From Encoded Ignition Key Transponder

B1602

B1681

PATS Transceiver Signal Is Not Received

B1681

B2103

PATS Transceiver Antenna Not Connected Or Defective Transceiver

B2103

B2139

Security Identification Does Not Match Between PATS & PCM

B2139

B2141

No Security Identification Exchange Between PATS & PCM

B2141

U1147

Faulty SCP Link Or Incorrect PCM Calibration

U1147

U1262

Missing SCP Message

⁽³⁾

⁽¹⁾	In PASSIVE ANTI-THEFT SYSTEMS - RANGER article.

⁽²⁾	If other DTCs are also present, service these DTCs first, then recheck codes.

⁽³⁾	Repair SCP bus communication concern. See TEST H: NO MODULE/NETWORK COMMUNICATION - SCP NETWORK in this article.

REMOTE ANTI-THEFT PERSONALITY (RAP) MODULE DTC INDEX

DTC

Description

Perform Test

B1309

Power Door Lock Circuit Short To Ground

⁽¹⁾

B1341

Power Door Unlock Circuit Short To Ground

⁽¹⁾

B1522

Hood Switch Circuit Short To Ground

⁽¹⁾

B1562

Door Lock Cylinder Circuit Short To Ground

⁽¹⁾

B2425

Keyless Entry Out Of Synchronization

⁽¹⁾

⁽¹⁾	See appropriate wiring diagram in REMOTE KEYLESS ENTRY SYSTEMS article.

RESTRAINT CONTROL MODULE (RCM) DTC INDEX

DTC ⁽¹⁾

Description

Perform Test

⁽²⁾

RCM Disconnected, Inoperative, Or No/Low Ignition Feed

⁽³⁾

B1342

RCM Internal Fault

⁽⁴⁾

B1231

RCM Crash Data Memory Full

⁽³⁾

B1921

RCM Bracket Ground Resistance High

⁽³⁾

C1414

Incorrect Vehicle Identification Code

⁽³⁾

B1887

Driver's Air Bag Circuit Short To Ground

⁽³⁾

B1916

Driver's Air Bag Circuit Short To Power

⁽³⁾

B1888

Passenger's Air Bag Circuit Short To Ground

⁽³⁾

B1925

Passenger's Air Bag Circuit Short To Power

⁽³⁾

B1932

Driver's Air Bag Circuit Resistance High

⁽³⁾

B1933

Passenger's Air Bag Circuit Resistance High

⁽³⁾

B1934

Driver's Air Bag Circuit Resistance Low

⁽³⁾

B1935

Passenger's Air Bag Circuit Resistance Low

⁽³⁾

B1871

Passenger's Air Bag Deactivation (PAD) Switch Fault

⁽³⁾

B1884

Passenger's Air Bag Deactivation (PAD) Warning Light Inoperative

⁽³⁾

B1890

Passenger's Air Bag Deactivation (PAD) Warning Light Short To Power

⁽³⁾

B1892

Air Bag Tone Warning Indicator Circuit Short To Ground Or Open

⁽³⁾

B1891

Air Bag Tone Warning Indicator Circuit Short To Power

⁽³⁾

B1869

Air Bag Indicator Inoperative

⁽³⁾

B1870

Air Bag Indicator Short To Power

⁽³⁾

⁽¹⁾	DTCs are listed in order of importance. Repair DTCs in order listed.

⁽²⁾	Airbag light is continuously illuminated.

⁽³⁾	Repair supplemental restraint system concern. See DIAGNOSIS & TESTING article in appropriate lemon-25® AIR BAG SERVICE & REPAIR MANUAL, DOMESTIC & IMPORTED MODELS.

⁽⁴⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Restraint Control Module (RCM) self-test. If DTC B1342 is retrieved again, replace RCM.

4-WHEEL ANTI-LOCK BRAKE SYSTEM (4WABS) MODULE DTC INDEX

DTC

Description

Perform Test

B1342

ECU Defective

⁽¹⁾

B1485

Brake Pedal Position Switch Circuit Failure

⁽²⁾

B1676

Battery Voltage Out Of Range

⁽³⁾

B2141

Vehicle Speed Calibration Data Not Programmed Into Module

⁽⁴⁾

C1095

ABS Hydraulic Pump Motor Circuit Failure

⁽³⁾

C1102

G-Switch Circuit Failure

⁽³⁾

C1145

Right Front ABS Sensor Input Circuit Failure

⁽³⁾

C1155

Left Front ABS Sensor Input Circuit Failure

⁽³⁾

C1230

Rear ABS Sensor Input Circuit Failure

⁽³⁾

C1233

Left Front ABS Sensor Output Signal Failure

⁽³⁾

C1234

Right Front ABS Sensor Output Signal Failure

⁽³⁾

C1237

Rear ABS Sensor Output Signal Failure

⁽³⁾

⁽¹⁾	Replace 4WABS module. Repeat ABS self-test.

⁽²⁾	Ignore DTC. DTC applies only to traction devices not equipped on this vehicle.

⁽³⁾	Repair anti-lock brake system concern. See appropriate ANTI-LOCK article in BRAKES.

⁽⁴⁾	Perform calibration procedure using NGS tester.