Author: jim

P1238

Technical Definition:

Fuel Pump Secondary Circuit (Fuel Pump Driver Module)

Trouble Code: P1238
Address: 0x1238
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Fuel Pump Secondary Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1237

Technical Definition:

Fuel Pump Secondary Circuit (Fuel Pump Driver Module)

Trouble Code: P1237
Address: 0x1237
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Fuel Pump Secondary Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1236

Technical Definition:

Fuel Pump Control Out Of Range (Fuel Pump Driver Module)

Trouble Code: P1236
Address: 0x1236
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Fuel Pump Control Out Of Range

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1235

Technical Definition:

Fuel Pump Control out Of Range (Fuel Pump Driver Module/VLCM)

Trouble Code: P1235
Address: 0x1235
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Fuel Pump Control Out Of Range

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1234

Technical Definition:

Fuel Pump Driver Module Disabled or Off Line (Fuel Pump Driver Module)

Trouble Code: P1234
Address: 0x1234
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Fuel Pump Driver Module Off Line

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1233

Technical Definition:

Fuel Pump Driver Module Disabled or Off Line (Fuel Pump Driver Module)

Trouble Code: P1233
Address: 0x1233
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Fuel Pump Driver Module Off Line

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1232

Technical Definition:

Fuel Pump Speed Primary Circuit (Two speed fuel pump)

Trouble Code: P1232
Address: 0x1232
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Fuel Pump Speed Primary Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1231

Technical Definition:

Fuel Pump Secondary Circuit Low, High Speed (VLCM)

Trouble Code: P1231
Address: 0x1231
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1230

Technical Definition:

Fuel Pump Low Speed Malfunction (VLCM)

Trouble Code: P1230
Address: 0x1230
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Fuel Pump Low Speed Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1229

Technical Definition:

Charge Air Cooler Pump Driver

Trouble Code: P1229
Address: 0x1229
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1228

Technical Definition:

Wastegate Failed Open (Under pressure)

Trouble Code: P1228
Address: 0x1228
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Wastegate Failed Open Under Pressure

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1227

Technical Definition:

Wastegate Failed Closed (Over pressure)

Trouble Code: P1227
Address: 0x1227
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Wastegate Failed Closed Over Pressure

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1226

Technical Definition:

Control Sleeve Sensor Circuit

Trouble Code: P1226
Address: 0x1226
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Closed Throttle Position Learning Performance Problem

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1225

Technical Definition:

Needle Lift Sensor

Trouble Code: P1225
Address: 0x1225
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Needle Lift Sensor Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1224

Technical Definition:

Throttle Position Sensor B Out Of Self Test Range

Trouble Code: P1224
Address: 0x1224
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Throttle Position Sensor 2 Circuit High Input

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1223

Technical Definition:

Pedal Position Sensor B Circuit High

Trouble Code: P1223
Address: 0x1223
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1222

Technical Definition:

Pedal Position Sensor B Circuit Low

Trouble Code: P1222
Address: 0x1222
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Traction Control Output Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1221

Technical Definition:

Traction Control System

Trouble Code: P1221
Address: 0x1221
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Traction Control System Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P1220

Technical Definition:

Series Throttle Control System

Trouble Code: P1220
Address: 0x1220
System: Powertrain
Subsystem:

Technical Description:

Possible Causes:

Possible Symptoms:

Series Throttle Control System Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P121C

Technical Definition:

Cylinder Balance ¨C Injector Leaking

Trouble Code: P121C
Address: 0x121C
System: Powertrain
Subsystem: