Diagnostic Trouble Codes

DIAGNOSTIC TROUBLE CODES

Code

Probable Cause

P0101 ⁽¹⁾

MAF System Performance

P0102 ⁽¹⁾

MAF Sensor Circuit Low Frequency

P0102 ⁽¹⁾

("C" & "K" Series)

P0103 ⁽¹⁾

MAF Sensor Circuit High Frequency

P0103 ⁽¹⁾

("C" & "K" Series)

P0112 ⁽¹⁾

IAT Sensor Circuit Low Voltage

P0113 ⁽¹⁾

IAT Sensor Circuit High Voltage

P0117 ⁽¹⁾

ECT Sensor Circuit Low Voltage

P0118 ⁽¹⁾

ECT Sensor Circuit High Voltage

P0121 ⁽¹⁾

APP Sensor 1 Circuit Performance

P0122 ⁽¹⁾

APP Sensor 1 Circuit Low Voltage

P0123 ⁽¹⁾

APP Sensor 1 Circuit High Voltage

P0126 ⁽¹⁾

Insufficient ECT For Stable Operation

P0126 ⁽¹⁾

("C" & "K" Series)

P0182 ⁽¹⁾

Fuel Temperature Sensor Circuit Low Voltage

P0183 ⁽¹⁾

Fuel Temperature Sensor Circuit High Voltage

P0215 ⁽¹⁾

Engine Shutoff Solenoid Control Circuit

P0216 ⁽¹⁾

Injection Timing Control System

P0218 ⁽²⁾

Transmission Fluid Overtemperature

P0219 ⁽¹⁾

Engine Overspeed Condition

P0220 ⁽¹⁾

APP Sensor 2 Circuit

P0221 ⁽¹⁾

APP Sensor 2 Circuit Performance

P0222 ⁽¹⁾

APP Sensor 2 Circuit Low Voltage

P0223 ⁽¹⁾

APP Sensor 2 Circuit High Voltage

P0225 ⁽¹⁾

APP Sensor 3 Circuit

P0226 ⁽¹⁾

APP Sensor 3 Circuit Performance

P0227 ⁽¹⁾

APP Sensor 3 Circuit Low Voltage

P0228 ⁽¹⁾

APP Sensor 3 Circuit High Voltage

P0231 ⁽¹⁾

Fuel/Lift Pump Feedback Circuit Low Voltage

P0236 ⁽¹⁾

Turbocharger Boost System

P0237 ⁽¹⁾

Turbocharger Boost Sensor Circuit Low Voltage

P0238 ⁽¹⁾

Turbocharger Boost Sensor Circuit High Voltage

P0251 ⁽¹⁾

Injection Pump Cam System

P0263 ⁽¹⁾

Cylinder No. 1 Balance System

P0266 ⁽¹⁾

Cylinder No. 2 Balance System

P0269 ⁽¹⁾

Cylinder No. 3 Balance System

P0272 ⁽¹⁾

Cylinder No. 4 Balance System

P0275 ⁽¹⁾

Cylinder No. 5 Balance System

P0278 ⁽¹⁾

Cylinder No. 6 Balance System

P0281 ⁽¹⁾

Cylinder No. 7 Balance System

P0284 ⁽¹⁾

Cylinder No. 8 Balance System

P0300 ⁽¹⁾

Engine Misfire Detected

P0301 ⁽¹⁾

Cylinder No. 1 Misfire Detected

P0302 ⁽¹⁾

Cylinder No. 2 Misfire Detected

P0303 ⁽¹⁾

Cylinder No. 3 Misfire Detected

P0304 ⁽¹⁾

Cylinder No. 4 Misfire Detected

P0305 ⁽¹⁾

Cylinder No. 5 Misfire Detected

P0306 ⁽¹⁾

Cylinder No. 6 Misfire Detected

P0307 ⁽¹⁾

Cylinder No. 7 Misfire Detected

P0308 ⁽¹⁾

Cylinder No. 8 Misfire Detected

P0335 ⁽¹⁾

CKP Sensor Circuit Performance

P0370 ⁽¹⁾

Timing Reference High Resolution

P0380 ⁽¹⁾

Glow Plug Circuit Performance

P0400 ⁽¹⁾

EGR Flow Malfunction

P0401 ⁽¹⁾

EGR Flow Insufficient

P0402 ⁽¹⁾

EGR Flow Excessive

P0404 ⁽¹⁾

EGR Flow Performance

P0405 ⁽¹⁾

EGR Sensor Circuit Low Voltage

P0406 ⁽¹⁾

EGR Sensor Circuit High Voltage

P0501 ⁽¹⁾

Vehicle Speed Sensor Circuit

P0560 ⁽²⁾

System Voltage Malfunction

P0567 ⁽¹⁾

Cruise Resume Circuit

P0568 ⁽¹⁾

Cruise Set Circuit

P0571 ⁽¹⁾

Cruise Brake Switch Circuit

P0601 ⁽¹⁾

PCM Memory

P0602 ⁽¹⁾

PCM Not Programmed

P0604 ⁽¹⁾

Control Module Random Access Memory

P0604 ⁽¹⁾

("C" & "K" Series)

P0606 ⁽¹⁾

PCM Internal Communication Interrupted

P0711 ⁽²⁾

TFT Sensor Circuit - Range/Performance

P0712 ⁽²⁾

TFT Sensor Circuit - Low Input

P0713 ⁽²⁾

TFT Sensor Circuit - High Input

P0716 ⁽²⁾

Input Speed Sensor Circuit - Range/Performance

P0717 ⁽²⁾

Input Speed Sensor Circuit - No Signal

P0719 ⁽²⁾

Brake Switch Circuit - Low Input

P0722 ⁽²⁾

Output Speed Sensor - Low Input

P0723 ⁽²⁾

Output Speed Sensor - Intermittent

P0724 ⁽²⁾

Brake Switch Circuit - High Input

P0741 ⁽²⁾

TCC Stuck Off

P0742 ⁽²⁾

TCC Stuck On

P0748 ⁽²⁾

PCS Circuit - Electrical

P0751 ⁽²⁾

1-2 Shift Solenoid - Performance

P0753 ⁽²⁾

1-2 Shift Solenoid - Electrical

P0756 ⁽²⁾

2-3 Shift Solenoid - Performance

P0758 ⁽²⁾

2-3 Shift Solenoid - Electrical

P1125 ⁽¹⁾

APP System

P1191 ⁽¹⁾

Intake Air Duct Leak

P1214 ⁽¹⁾

Injection Pump Timing Offset Error

P1216 ⁽¹⁾

Fuel Solenoid Response Time Too Short

P1217 ⁽¹⁾

Fuel Solenoid Response Time Too Long

P1218 ⁽¹⁾

Injection Pump Calibration Circuit

P1406 ⁽¹⁾

EGR Valve Position

P1409 ⁽¹⁾

EGR Vacuum System Leak

P1626 ⁽¹⁾

VTD Controller Serial Data Circuit

P1626 ⁽¹⁾

("C" & "K" Series)

P1621 ⁽¹⁾

EEPROM Write

P1627 ⁽¹⁾

A/D Performance

P1630 ⁽¹⁾

Theft Deterrent PCM In Learn Mode

P1630 ⁽¹⁾

("C" & "K" Series)

P1631 ⁽¹⁾

Theft Deterrent Password Incorrect

P1631 ⁽¹⁾

("C" & "K" Series)

P1635 ⁽¹⁾

PCM 5-Volt Reference Low

P1641 ⁽¹⁾

MIL Control Circuit

P1643 ⁽¹⁾

WAIT TO START Light Control Circuit

P1643 ⁽¹⁾

("C" & "K" Series)

P1653 ⁽¹⁾

EGR Vent Sol. Control Circuit

P1654 ⁽¹⁾

SERVICE THROTTLE SOON Light Control Circuit

P1655 ⁽¹⁾

EGR Solenoid Control Circuit

P1656 ⁽¹⁾

Wastegate Solenoid Control Circuit

P1810 ⁽²⁾

Fluid Press. Manual Valve Position Switch

P1811 ⁽²⁾

Maximum Adapt Long Shift

P1860 ⁽²⁾

TCC PWM Solenoid Circuit - Electrical

P1870 ⁽²⁾

Transmission Component Slipping

P1871 ⁽²⁾

Undefined Gear Ratio

P1875 ⁽²⁾

4WD Low Switch - Input Malfunction ("K" Series)

⁽¹⁾	Code is engine related.

⁽²⁾	Code is transmission related. For transmission related codes, see AUTO TRANS DIAGNOSIS - 4L80-E(DIESEL) - 4 DIGIT CODE article in AUTO TRANS DIAGNOSIS section.