Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2002 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

ANTI-LOCK BRAKE SYSTEM MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Perform Test

B1342

ECU Defective

⁽¹⁾

C1095/C1096

ABS Hydraulic Pump Motor Circuit Failure

⁽²⁾

C1115

Internal Power Relay

⁽²⁾

C1145

Right Front ABS Sensor (Electrical/Static)

⁽²⁾

C1148/C1234

Right Front ABS Sensor (Dynamic)

⁽²⁾

C1155

Left Front ABS Sensor (Electrical/Static)

⁽²⁾

C1158/C1233

Left Front ABS Sensor (Dynamic)

⁽²⁾

C1169

Excessive Dump Time

⁽²⁾

C1184

ABS System Inoperative

⁽²⁾

C1185

Open Internal Power Relay

⁽²⁾

C1194/C1196

Left Front Dump valve

⁽²⁾

C1198/C1200

Left Front Isolation Valve

⁽²⁾

C1202/C1204

Rear Dump Valve

⁽²⁾

C1206/C1208

Rear Isolation Valve

⁽²⁾

C1210/C1212

Right Front Dump Valve

⁽²⁾

C1214/C1216

Right Front Isolation Valve

⁽²⁾

C1220

Yellow ABS Warning Indicator Failure

⁽²⁾

C1222

Wheel Speed Error (Dynamic)

⁽²⁾

C1229/C1237

Rear ABS Sensor (Dynamic)

⁽²⁾

C1230

Rear ABS Sensor (Electrical/Static)

⁽²⁾

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

GEM MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Perform Test

B1302

Accessory Delay Relay Coil Circuit Failure

⁽¹⁾

B1304

Accessory Delay Relay Coil Circuit Short To Voltage

⁽¹⁾

B1313

Battery Saver Relay Coil Circuit Failure

⁽³⁾

B1315

Battery Saver Relay Coil Circuit Short To Voltage

⁽³⁾

B1317

Battery Voltage High

⁽²⁾

B1318

Battery Voltage Low

⁽²⁾

B1322

Driver's Door Ajar Circuit Short To Ground

⁽³⁾

B1323

Door Ajar Lamp Circuit Failure

⁽⁴⁾

B1325

Door Ajar Lamp Circuit Short To Voltage

⁽⁴⁾

B1330

Passenger's Door Ajar Circuit Short To Ground

⁽³⁾

B1338

Door Ajar Circuit Short To Ground

⁽³⁾

B1340

Chime Input Request Circuit Short To Ground

⁽³⁾

B1342

ECU Defective

⁽⁵⁾

B1352

Ignition Key-In Circuit Failure

⁽⁶⁾

B1355

Ignition RUN Circuit Failure

⁽⁶⁾

B1359

Ignition RUN/ACC Circuit Failure

⁽⁶⁾

B1365

Ignition START Circuit Short To Voltage

⁽⁶⁾

B1371

Illuminated Entry Relay Circuit Failure

⁽³⁾

B1373

Illuminated Entry Relay Short To Voltage

⁽³⁾

B1398

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

⁽¹⁾

B1400

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

⁽¹⁾

B1405

Driver's Power Window Down Short To Voltage

⁽¹⁾

B1410

Driver's Power Window Motor Circuit Failure

⁽¹⁾

B1426

Lamp Safety Belt Circuit Short To Voltage

⁽⁴⁾

B1428

Lamp Safety Belt Circuit Failure

⁽⁴⁾

B1431

Wiper Brake/Run Relay Circuit Failure

⁽⁷⁾

B1432

Wiper Brake/Run Relay Circuit Short To Voltage

⁽⁷⁾

B1434

Wiper Hi/Low Speed Relay Coil Circuit Failure

⁽⁷⁾

B1436

Wiper Hi/Low Speed Relay Circuit Short To Voltage

⁽⁷⁾

B1438

Wiper Mode Select Switch Circuit Failure

⁽⁷⁾

B1441

Wiper Mode Select Switch Circuit Short To Ground

⁽⁷⁾

B1446

Wiper Park Sense Circuit Failure

⁽⁷⁾

B1450

Wiper Wash/Delay Switch Circuit Failure

⁽⁷⁾

B1453

Wiper Wash/Delay Switch Circuit Short To Ground

⁽⁷⁾

B1454

Wiper Washer Fluid Lamp Circuit Failure

⁽⁷⁾

B1458

Wiper Washer Pump Motor Relay Circuit Failure

⁽⁷⁾

B1460

Wiper Washer Pump Motor Relay Coil Circuit Short To Voltage

⁽⁷⁾

B1462

Safety Belt Switch Circuit Failure

⁽³⁾

B1466

Wiper Hi/Low Speed Not Switching

⁽⁷⁾

B1473

Wiper Low Speed Circuit Motor Failure

⁽⁷⁾

B1476

Wiper High Speed Circuit Motor Failure

⁽⁷⁾

B1483

Brake Pedal Input Circuit Failure

⁽⁸⁾

B1485

Brake Pedal Input Circuit Short To Voltage

⁽⁸⁾

B1577

Parking Light Input Circuit Short To Voltage

⁽³⁾

B1610

Illuminated Entry Input Short Circuit To Ground

⁽³⁾

B1840

Wiper Front Power Circuit Failure

⁽⁷⁾

⁽¹⁾	See POWER WINDOWS - F150 PICKUP article for testing procedure.

⁽²⁾	Check charging system. See STARTERS article in STARTING & CHARGING SYSTEMS. If charging system is okay, check power and ground circuits to GEM. See POWER DISTRIBUTION and GROUND DISTRIBUTION in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.

⁽³⁾	Repair interior illumination concern. See ILLUMINATION/INTERIOR LIGHTS in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.

⁽⁴⁾	See ANALOG INSTRUMENT PANELS - F150 PICKUP article for testing procedure.

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

⁽⁶⁾	See STEERING COLUMN SWITCHES - F150 article for testing procedure.

⁽⁷⁾	See WIPER/WASHER SYSTEMS - F150 PICKUP article for testing procedure.

⁽⁸⁾	See appropriate ANTI-LOCK article in BRAKES for testing procedure.

INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE TEST INDEX

DTC

Description

Perform Test

B1202

Fuel Sender Open

⁽¹⁾

B1204

Fuel Sender Short To Ground

⁽¹⁾

B1213

Anti-Theft Number Of Programmed Keys Below Minimum

⁽²⁾

B1232

Antenna Not Connected Or Damaged Transceiver

⁽²⁾

B1317

Battery Voltage High

⁽³⁾

B1318

Battery Voltage Low

⁽³⁾

B1342

ECU Defective

⁽⁴⁾

B1356

Ignition RUN Circuit Open

⁽⁵⁾

B1364

Ignition START Circuit Open

⁽⁵⁾

B1600

PATS Ignition Key Transponder Signal Not Received

⁽²⁾

B1604

PATS Received Incorrect Key Code

⁽²⁾

B1602

PATS Received Invalid Key Code Format

⁽²⁾

B1681

PATS Transceiver Signal Not Received

⁽²⁾

B2103

Antenna Not Connected Or Defective Transceiver

⁽²⁾

B2139

PCM ID Mismatch Between PCM & Instrument Cluster

⁽²⁾

B2141

NVM Configuration Failure

⁽²⁾

B2143

Odometer NVM Memory Failure

⁽⁶⁾

C1284

Oil Pressure Switch Failure

⁽¹⁾

P1197

SELECT/RESET Switch Circuit Failure

⁽⁶⁾

U1011

SCP Invalid Or Missing Data For Engine Air Intake

⁽⁷⁾

U1027

SCP Invalid Or Missing Data For Engine RPM

⁽⁷⁾

U1041

SCP Invalid Or Missing Data For Vehicle Speed

⁽⁷⁾

U1073

SCP Invalid Or Missing Data For Engine Coolant

⁽⁷⁾

U1123

SCP Invalid Or Missing Data For Odometer

⁽⁷⁾

U1131

SCP Invalid Or Missing Data For Fuel System

⁽⁷⁾

U1147

SCP Invalid Or Missing Data For Vehicle Security

⁽²⁾

U1148

SCP Invalid Or Missing Data For Audio Control

⁽⁷⁾

U1262

Missing SCP Message

⁽⁸⁾

⁽¹⁾	See ANALOG INSTRUMENT PANELS - F150 PICKUP article for testing procedure.

⁽²⁾	See PASSIVE ANTI-THEFT SYSTEMS - F150 PICKUP article for testing procedure.

⁽³⁾	Check charging system. See GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS. If charging system is okay, check power and ground circuits to instrument cluster. See POWER DISTRIBUTION and GROUND DISTRIBUTION in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.

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

⁽⁵⁾	See STEERING COLUMN SWITCHES - F150 PICKUP article for testing procedures. See POWER DISTRIBUTION in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.

⁽⁶⁾	Replace instrument cluster. Clear DTCs and retest system.

⁽⁷⁾	Using NGS tester, perform PCM self-test.

⁽⁸⁾	Perform TEST H: NO MODULE/NETWORK COMMUNICATIONS - ISO 9141 LINK under SYSTEM TESTS.

NATURAL GAS VEHICLE MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Perform Test

B1219

Fuel Tank Pressure Sensor Circuit Failure

⁽¹⁾

B1220

Fuel Tank Pressure Sensor Circuit Short To Voltage

⁽¹⁾

B1222

Fuel Tank Temperature Sensor Circuit Failure

⁽¹⁾

B1223

Fuel Tank Temperature Sensor Circuit Open

⁽¹⁾

B1224

Fuel Tank Temperature Sensor Circuit Short To Voltage

⁽¹⁾

B1225

Fuel Tank Temperature Sensor Circuit Short To Ground

⁽¹⁾

B1317

Battery Voltage High

⁽¹⁾

B1318

Battery Voltage Low

⁽¹⁾

B1342

ECU Defective

⁽¹⁾

⁽¹⁾	See ANALOG INSTRUMENT PANELS - F150 PICKUP - CNG article for testing procedure.

PASSIVE ANTI-THEFT SYSTEM DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Perform Test

B1202

Fuel Sender Open

⁽¹⁾

B1204

Fuel Sender Short To Ground

⁽¹⁾

B1213

Anti-Theft Number Of Programmed Keys Is Below Minimum

⁽¹⁾

B1232

Antenna Not Connected Or Defective Transceiver

⁽¹⁾

B1317

Battery Voltage High

⁽²⁾

B1318

Battery Voltage Low

⁽²⁾

B1342

ECU Defective

⁽³⁾

B1356

Ignition RUN Circuit Open

⁽⁴⁾

B1364

Ignition START Circuit Open

⁽⁴⁾

B1600

No Key Code Received/Damaged Encoded Ignition Key Or Use Of Non-PATS Key

⁽¹⁾

B1601

Incorrect Key Code From Ignition Key Transponder

⁽¹⁾

B1602

Invalid Key Code Format From Ignition Key Transponder

⁽¹⁾

B1681

Transceiver Defective Or Not Connected

⁽¹⁾

B2103/B1232

PATS Antenna Not Connected

⁽¹⁾

B2139

PCM ID Does Not Match Between Instrument Cluster & PCM

⁽¹⁾

B2141

No PCM ID Exchange Between Instrument Cluster & PCM

⁽¹⁾

B2143

Odometer NVM Memory Failure

⁽¹⁾

C1284

Oil Pressure Switch Failure

⁽¹⁾

U1147

Invalid Or Missing Vehicle Security Data

⁽¹⁾

⁽¹⁾	Repair anti-theft system concern. See PASSIVE ANTI-THEFT SYSTEMS - BLACKWOOD & F150 PICKUP article for testing procedure.

⁽²⁾	Check charging system. See GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS. If charging system is okay, check power and ground circuits to PATS module. See POWER DISTRIBUTION and GROUND DISTRIBUTION in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.

⁽³⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Passive Anti-Theft System (PATS) module self-test. If DTC B1342 is retrieved again, replace PATS module.

⁽⁴⁾	Repair steering column switch concern. See STEERING COLUMN SWITCHES - F150 PICKUP article for testing procedure.

CENTRAL SECURITY MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC

Description

Perform Test

B1309

Door Lock Circuit Short To Ground

⁽¹⁾

B1341

Door Unlock Circuit Short To Ground

⁽¹⁾

B1485

Brake Pedal Input Circuit Short To Voltage

⁽¹⁾

B1526

Keyless Entry Circuit Short To Battery

⁽¹⁾

B1629

PRNDL Reverse Input Short To Voltage

⁽¹⁾

B2425

Remote Keyless Entry Out Of Synchronization

⁽¹⁾

⁽¹⁾	Repair remote keyless entry system concern. See POWER DOOR LOCKS & REMOTE KEYLESS ENTRY SYSTEMS - F150 PICKUP article.

RESTRAINTS CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC ⁽¹⁾

Description

Perform Test

B1342

ECU Defective

⁽²⁾

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 Shorted To Ground

⁽³⁾

B1916

Driver's Air Bag Circuit Shorted To Voltage

⁽³⁾

B1888

Passenger's Air Bag Circuit Short To Ground

⁽³⁾

B1925

Passenger's Air Bag Circuit Short To Voltage

⁽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⁾

B1869

Air Bag Indicator Inoperative

⁽³⁾

B1870

Air Bag Indicator Shorted To Voltage

⁽³⁾

B1871

Passenger's Air Bag Deactivation (PAD) Switch Fault

⁽³⁾

B1884

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

⁽³⁾

B1890

Passenger's Air Bag Deactivation (PAD) Warning Lamp Short To Voltage

⁽³⁾

B1891

Air Bag Tone Warning Indicator Circuit Shorted To Voltage

⁽³⁾

B1892

Air Bag Tone Warning Indicator Circuit Shorted To Ground Or Open

⁽³⁾

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

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

⁽³⁾	Repair air bag system concern. See AIR BAG RESTRAINT SYSTEMS article in RESTRAINTS.