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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE MESSAGES & CODES

Generic Scan Tool Code ⁽¹⁾

DRB-III® Scan Tool Message

BAROMETRIC PRESSURE OUT OF RANGE

MAP SENSOR VOLTS TOO LOW

MAP SENSOR VOLTS TOO HIGH

INTAKE AIR TEMP SENSOR PERFORMANCE

ECT SENSOR VOLTAGE TOO LOW

ECT SENSOR VOLTAGE TOO HIGH

P0120 ⁽²⁾

THROTTLE POSITION SENSOR SIGNAL CIRCUIT

TPS VOLTAGE DOES NOT AGREE WITH MAP

THROTTLE POSITION SENSOR VOLTAGE LOW

THROTTLE POSITION SENSOR VOLTAGE HIGH

1/1 O2 SENSOR SHORTED TO GROUND

1/1 O2 SENSOR SHORTED TO VOLTAGE

1/1 O2 SENSOR SLOW RESPONSE

1/1 O2 SENSOR STAYS AT CENTER

1/1 O2 SENSOR HEATER FAILURE

1/2 O2 SENSOR SHORTED TO GROUND

1/2 O2 SENSOR SHORTED TO VOLTAGE

1/2 O2 SENSOR SLOW RESPONSE

1/2 O2 SENSOR STAYS AT CENTER

1/2 O2 SENSOR HEATER FAILURE

1/1 FUEL SYSTEM LEAN

1/1 FUEL SYSTEM RICH

INJECTOR #1 CONTROL CIRCUIT

INJECTOR #2 CONTROL CIRCUIT

INJECTOR #3 CONTROL CIRCUIT

INJECTOR #4 CONTROL CIRCUIT

P0218 ⁽²⁾

HIGH TEMPERATURE OPERATION ACTIVATED

MULTIPLE CYLINDER MISFIRE

CYLINDER #1 MISFIRE

CYLINDER #2 MISFIRE

CYLINDER #3 MISFIRE

CYLINDER #4 MISFIRE

NO CRANK REFERENCE SIGNAL AT PCM

NO CAM SIGNAL AT PCM

IGNITION COIL #1 PRIMARY CIRCUIT

IGNITION COIL #2 PRIMARY CIRCUIT

EGR SYSTEM FAILURE

EGR SOLENOID CIRCUIT

1/1 CATALYTIC CONVERTER EFFICIENCY

EVAP PURGE FLOW MONITOR

EVAP LEAK MONITOR MEDIUM LEAK DETECTED

EVAP PURGE SOLENOID CIRCUIT

EVAP LEAK MONITOR LARGE LEAK DETECTED

EVAP LEAK MONITOR SMALL LEAK DETECTED

FUEL LEVEL UNIT NO CHANGE OVER MILES

FUEL LEVEL SENDING UNIT VOLTS TOO LOW

FUEL LEVEL SENDING UNIT VOLTS TOO HIGH

NO VEHICLE SPEED SIGNAL (A/T)

NO VEHICLE SPEED SIGNAL (M/T)

IDLE AIR CONTROL MOTOR CIRCUITS

INVALID SKIM KEY

POWER STEERING SWITCH FAILURE

P0562 ⁽³⁾

CHARGING SYSTEM VOLTAGE TOO LOW

P0563 ⁽³⁾

CHARGING SYSTEM VOLTAGE TOO HIGH

PCM FAILURE SPI COMMUNICATIONS

PCM INTERNAL CONTROLLER FAILURE

P0604 ⁽²⁾

INTERNAL TCM

P0605 ⁽²⁾

INTERNAL TCM

P0613 ⁽²⁾

INTERNAL TCM

P0622 ⁽³⁾

GENERATOR FIELD NOT SWITCHING PROPERLY

P0625 ⁽³⁾

GENERATOR FIELD CONTROL CIRCUIT LOW

P0626 ⁽³⁾

GENERATOR FIELD CONTROL CIRCUIT HIGH

A/C CLUTCH RELAY CKT

A/C CLUTCH RELAY CONTROL CIRCUIT LOW

A/C CLUTCH RELAY CONTROL CIRCUIT HIGH

BRAKE SWITCH SENSE CIRCUIT

P0706 ⁽²⁾

CHECK SHIFTER SIGNAL

P0715 ⁽²⁾

INPUT SPEED SENSOR ERROR

P0720 ⁽²⁾

OUTPUT SPEED SENSOR ERROR

P0725 ⁽²⁾

ENGINE SPEED SENSOR ERROR

P0731 ⁽²⁾

GEAR RATIO ERROR IN 1ST

P0732 ⁽²⁾

GEAR RATIO ERROR IN 2ND

P0733 ⁽²⁾

GEAR RATIO ERROR IN 3RD

P0734 ⁽²⁾

GEAR RATIO ERROR IN 4TH

P0736 ⁽²⁾

GEAR RATIO ERROR IN REVERSE

P0740 ⁽²⁾

TORQUE CONVERTER CLUTCH CONTROL CIRCUIT

P0750 ⁽²⁾

LR SOLENOID CIRCUIT

P0755 ⁽²⁾

2/4 SOLENOID CIRCUIT

P0760 ⁽²⁾

OD SOLENOID CIRCUIT

P0765 ⁽²⁾

UD SOLENOID CIRCUIT

CLUTCH RELEASED SWITCH CIRCUIT

P0841 ⁽²⁾

LR PRESSURE SWITCH SENSE CIRCUIT

P0845 ⁽²⁾

2/4 HYDRAULIC PRESSURE TEST FAILURE

P0846 ⁽²⁾

2/4 PRESSURE SWITCH SENSE CIRCUIT

P0870 ⁽²⁾

OD HYDRAULIC PRESSURE TEST FAILURE

P0871 ⁽²⁾

OD PRESSURE SWITCH SENSE CIRCUIT

P0884 ⁽²⁾

POWER UP AT SPEED

P0888 ⁽²⁾

RELAY OUTPUT ALWAYS OFF

P0890 ⁽²⁾

SWITCHED BATTERY

P0891 ⁽²⁾

TRANSMISSION RELAY ALWAYS ON

P0944 ⁽²⁾

LOSS OF PRIME

P0951 ⁽²⁾

AUTOSTICK SENSOR CIRCUIT

P0922 ⁽²⁾

2-4/OD HYDRAULIC PRESSURE TEST FAILURE

INLET AIR TEMP SENSOR VOLTAGE LOW

INLET AIR TEMP SENSOR VOLTAGE HIGH

1/1 O2 SENSOR SLOW DURING CATALYST MONITOR

ENGINE IS COLD TOO LONG

FUEL PUMP RELAY CONTROL CIRCUIT

TARGET IDLE NOT REACHED

NO CHANGE IN MAP FROM START TO RUN

VACUUM LEAK FOUND (IAC FULLY SEATED)

AUTO SHUTDOWN RELAY CONTROL CIRCUIT

NO ASD RELAY OUTPUT VOLTAGE AT PCM

TIMING BELT SKIPPED 1 TOOTH OR MORE

INTERMITTENT LOSS OF CMP OR CKP

MISFIRE ADAPTIVE NUMERATOR AT LIMIT

EVAP LEAK MONITOR PINCHED HOSE FOUND

HIGH SPEED FAN CONTROL RELAY CIRCUIT

LOW SPEED FAN CONTROL RELAY CIRCUIT

LEAK DETECT PUMP SW OR MECHANICAL FAULT

LEAK DETECTION PUMP SOLENOID CIRCUIT

5-VOLT SUPPLY OUTPUT TOO LOW

P1594 ⁽³⁾

CHARGING SYSTEM VOLTAGE TOO HIGH

P1595 ⁽⁴⁾

SPEED CONTROL SOLENOID CIRCUITS

P1596 ⁽⁴⁾

SPEED CONTROL SWITCH ALWAYS HIGH

P1597 ⁽⁴⁾

SPEED CONTROL SWITCH ALWAYS LOW

PCM NOT PROGRAMMED

P1652 ⁽²⁾

SERIAL COMMUNICATION LINK MALFUNCTION

PCI BUS SHORTED TO GROUND

PCI BUS SHORTED TO VOLTAGE

PCI BUS NOT AVAILABLE

P1682 ⁽³⁾

CHARGING SYSTEM VOLTAGE TOO LOW

P1683 ⁽⁴⁾

SPD CTR PWR RELAY; OR S/C 12V DRIVER CIRCUIT

P1684 ⁽²⁾

BATTERY WAS DISCONNECTED

WRONG OR INVALID KEY MSG RECEIVED FROM SKIM

NO SKIM BUS MESSAGE RECEIVED

NO CLUSTER BUS MESSAGE

P1687 ⁽²⁾

NO COMMUNICATION WITH THE MIC

P1694 ⁽²⁾

BUS COMMUNICATION WITH ENGINE MODULE

PCM FAILURE EEPROM WRITE DENIED

PCM FAILURE SRI MILE NOT STORED

P1775 ⁽²⁾

SOLENOID SWITCH VALVE LATCHED IN TCC POSITION

P1776 ⁽²⁾

SOLENOID SWITCH VALVE LATCHED IN LR POSITION

P1790 ⁽²⁾

FAULT IMMEDIATELY AFTER START

P1793 ⁽²⁾

TRD LINK COMMUNICATION ERROR

P1794 ⁽²⁾

SPEED SENSOR GROUND ERROR

P1797 ⁽²⁾

MANUAL SHIFT OVERHEAT

P1799 ⁽²⁾

CALCULATED OIL TEMP IN USE

P/N SWITCH STUCK IN PARK OR IN GEAR (4SP AUTO TRANS)

⁽¹⁾	Perform appropriate DTC test under DIAGNOSTIC TESTS.

⁽²⁾	This DTC is related to automatic transmission diagnostics. For diagnostic procedure, see appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.

⁽³⁾	This DTC is related to charging system. For diagnostic procedure, see appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.

⁽⁴⁾	See CRUISE CONTROL SYSTEMS - PT CRUISER article in ACCESSORIES & EQUIPMENT.