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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE MESSAGES & CODES

Generic Scan Tool DTC (1) DRBIII® Scan Tool Message (1)
P0071  AMBIENT AIR TEMP SENSOR PERFORMANCE
P0106  BAROMETRIC PRESSURE OUT OF RANGE
P0107  MAP SENSOR VOLTAGE TOO LOW
P0108  MAP SENSOR VOLTAGE TOO HIGH
P0111  INTAKE AIR TEMP SENSOR PERFORMANCE
P0117  ECT SENSOR VOLTAGE TOO LOW
P0118  ECT SENSOR VOLTAGE TOO HIGH
P0120 (2) THROTTLE POSITION SENSOR SIGNAL CIRCUIT
P0121  TPS VOLTAGE DOES NOT AGREE WITH MAP
P0122  THROTTLE POSITION SENSOR VOLTAGE LOW
P0123  THROTTLE POSITION SENSOR VOLTAGE HIGH
P0125  CLOSED LOOP TEMP NOT REACHED
P0131  1/1 O2 SENSOR SHORTED TO GROUND
P0132  1/1 O2 SENSOR SHORTED TO VOLTAGE
P0133  1/1 O2 SENSOR SLOW RESPONSE
P0134  1/1 O2 SENSOR STAYS AT CENTER
P0135  1/1 O2 SENSOR HEATER FAILURE
P0137  1/2 O2 SENSOR SHORTED TO GROUND
P0138  1/2 O2 SENSOR SHORTED TO VOLTAGE
P0139  1/2 O2 SENSOR SLOW RESPONSE
P0140  1/2 O2 SENSOR STAYS AT CENTER
P0141  1/2 O2 SENSOR HEATER FAILURE
P0171  1/1 FUEL SYSTEM LEAN
P0172  1/1 FUEL SYSTEM RICH
P0201  INJECTOR #1 CONTROL CIRCUIT
P0202  INJECTOR #2 CONTROL CIRCUIT
P0203  INJECTOR #3 CONTROL CIRCUIT
P0204  INJECTOR #4 CONTROL CIRCUIT
P0205  INJECTOR #5 CONTROL CIRCUIT (3.3L & 3.8L)
P0206  INJECTOR #6 CONTROL CIRCUIT (3.3L & 3.8L)
P0218 (2) HIGH TEMPERATURE OPERATION ACTIVATED
P0300  MULTIPLE CYLINDER MISFIRE
P0301  CYLINDER #1 MISFIRE
P0302  CYLINDER #2 MISFIRE
P0303  CYLINDER #3 MISFIRE
P0304  CYLINDER #4 MISFIRE
P0305  CYLINDER #5 MISFIRE (3.3L & 3.8L)
P0306  CYLINDER #6 MISFIRE (3.3L & 3.8L)
P0320  NO CRANK REFERENCE SIGNAL AT PCM
P0340  NO CAM SIGNAL AT PCM
P0351  IGNITION COIL #1 PRIMARY CIRCUIT
P0352  IGNITION COIL #2 PRIMARY CIRCUIT
P0353  IGNITION COIL #3 PRIMARY CIRCUIT (3.3L & 3.8L)
P0401  EGR SYSTEM FAILURE
P0403  EGR SOLENOID CIRCUIT
P0420  1/1 CATALYTIC CONVERTER EFFICIENCY
P0441  EVAP PURGE FLOW MONITOR
P0442  EVAP LEAK MONITOR MEDIUM (.040") LEAK DETECTED
P0443  EVAP PURGE SOLENOID CIRCUIT
P0455  EVAP LEAK MONITOR LARGE LEAK DETECTED
P0456  EVAP LEAK MONITOR SMALL (.020") LEAK DETECTED
P0460  FUEL LEVEL UNIT NO CHANGE OVER MILES
P0462  FUEL LEVEL SENDING UNIT VOLTS TOO LOW
P0463  FUEL LEVEL SENDING UNIT VOLTS TOO HIGH
P0500  NO VEHICLE SPEED SENSOR SIGNAL (3SP AUTO TRANS)
P0500  NO VEHICLE SPEED SENSOR SIGNAL (4SP AUTO TRANS)
P0505  IDLE AIR CONTROL MOTOR CIRCUITS (2.4L)
P0508  IAC MOTOR SENSE CIRCUIT LOW (3.3L & 3.8L)
P0509  IAC MOTOR SENSE CIRCUIT HIGH (3.3L & 3.8L)
P0562 (2) LOW BATTERY VOLTAGE
P0600  PCM FAILURE SPI COMMUNICATIONS
P0601  INTERNAL CONTROLLER FAILURE
P0604 (2) INTERNAL TCM
P0605 (2) INTERNAL TCM
P0613 (2) INTERNAL TCM
P0622 (2) GENERATOR FIELD NOT SWITCHING PROPERLY
P0645  A/C CLUTCH RELAY CIRCUIT
P0700  EATX CONTROLLER DTC PRESENT
P0705 (2) CHECK SHIFTER SIGNAL
P0703  BRAKE SWITCH SENSE CIRCUIT
P0706 (2) CHECK SHIFTER SIGNAL
P0714 (2) LOW BATTERY VOLTAGE
P0715 (2) INPUT SPEED SENSOR ERROR
P0716 (2) BUS COMMUNICATION WITH PCM
P0717 (2) NO COMMUNICATION WITH MIC
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
P0738 (2) HIGH TEMPERATURE OPERATION ACTIVATED
P0739 (2) POWER UP AT SPEED
P0740  TORQUE CONVERTER CLU, NO RPM DROP AT LOCKUP (3SP AUTO TRANS)
P0740 (2) TORQUE CONVERTER CLUTCH CONTROL CIRCUIT (4SP AUTO TRANS)
P0743  TORQUE CONVERTER CLUTCH SOLENOID/TRANS RELAY CIRCUITS (3SP AUTO TRANS)
P0750 (2) LR SOLENOID CIRCUIT
P0755 (2) 2/4 SOLENOID CIRCUIT
P0760 (2) OD SOLENOID CIRCUIT
P0765 (2) UD SOLENOID 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
P0897 (2) WORN OUT/BURNT TRANSAXLE FLUID
P0944 (2) LOSS OF PRIME
P0951 (2) AUTOSTICK SENSOR CIRCUIT
P0922 (2) 2-4/OD HYDRAULIC PRESSURE TEST FAILURE
P1192  INLET AIR TEMP SENSOR VOLTAGE LOW
P1193  INLET AIR TEMP SENSOR VOLTAGE HIGH
P1195  1/1 O2 SENSOR SLOW DURING CATALYST MONITOR
P1281  ENGINE IS COLD TOO LONG
P1282  FUEL PUMP RELAY CONTROL CIRCUIT
P1294  TARGET IDLE NOT REACHED (2.4L)
P1294  TARGET IDLE NOT REACHED (3.3L & 3.8L)
P1297  NO CHANGE IN MAP FROM START TO RUN
P1299  VACUUM LEAK FOUND (IAC FULLY SEATED)
P1388  AUTO SHUTDOWN RELAY CONTROL CIRCUIT
P1389  NO ASD RELAY OUTPUT VOLTAGE AT PCM
P1391  INTERMITTENT LOSS OF CMP OR CKP (2.4L)
P1391  INTERMITTENT LOSS OF CMP OR CKP (3.3L & 3.8L)
P1398  MISFIRE ADAPTIVE NUMERATOR AT LIMIT (2.4L)
P1398  MISFIRE ADAPTIVE NUMERATOR AT LIMIT (3.3L & 3.8L)
P1478 (3) BATTERY TEMP SENSOR VOLTS OUT OF LIMIT
P1486  EVAP LEAK MONITOR PINCHED HOSE FOUND
P1491  RAD FAN CONTROL RELAY CIRCUIT
P1492 (3) AMBIENT/BATT TEMP SENSOR VOLTS TOO HIGH
P1493 (3) AMBIENT/BATT TEMP SENSOR VOLTS TOO LOW
P1494  LEAK DETECT PUMP SW OR MECHANICAL FAULT
P1495  LEAK DETECTION PUMP SOLENOID CIRCUIT
P1496  5 VOLT SUPPLY, OUTPUT TOO LOW
P1594 (3) CHARGING SYSTEM VOLTAGE TOO HIGH
P1595 (4)
 		 SPEED CONTROL SOLENOID CIRCUITS
DTC P1598  A/C PRESSURE SENSOR VOLTS TOO HIGH
P1599  A/C PRESSURE SENSOR VOLTS TOO LOW
P1652 (2) SERIAL COMMUNICATION LINK MALFUNCTION
P1682 (3) CHARGING SYSTEM VOLTAGE TOO LOW
P1683 (4) SPD CTRL PWR RELAY; OR S/C 12V DRIVER CKT
P1684 (2) BATTERY WAS DISCONNECTED
P1685  WRONG OR INVALID KEY MSG RECEIVED FROM SKIM
P1686  NO SKIM BUS MESSAGE RECEIVED
P1687 (2) NO COMMUNICATION WITH THE MIC
P1694 (2) BUS COMMUNICATION WITH ENGINE MODULE
P1695  NO CCD/J1850 MESSAGE FROM BODY CONTROL MODULE
P1696  PCM FAILURE EEPROM WRITE DENIED
P1697  PCM FAILURE SRI MILE NOT STORED
P1698  NO BUS MESSAGE FROM TRANS CONTROL MODULE (3.3L & 3.8L)
P1765 (2) SWITCHED BATTERY
P1767 (2) TRANSMISSION RELAY ALWAYS ON
P1768 (2) RELAY OUTPUT ALWAYS OFF
P1775 (2) SOLENOID SWITCH VALVE LATCHED IN TCC POSITION
P1776 (2) SOLENOID SWITCH VALVE LATCHED IN LR POSITION
P1781 (2) OD PRESSURE SWITCH SENSE CIRCUIT
P1782 (2) 2-4 PRESSURE SWITCH SENSE CIRCUIT
P1784 (2) LR PRESSURE SWITCH SENSE CIRCUIT
P1787 (2) OD HYDRAULIC PRESSURE TEST FAILURE
P1788 (2) 2/4 HYDRAULIC PRESSURE TEST FAILURE
P1789 (2) 2-4/OD HYDRAULIC PRESSURE TEST FAILURE
P1790 (2) FAULT IMMEDIATELY AFTER START
P1791 (2) LOSS OF PRIME
P1792 (2) BATTERY WAS DISCONNECTED
P1793 (2) TRD LINK COMMUNICATION ERROR
P1794 (2) SPEED SENSOR GROUND ERROR
P1795 (2) INTERNAL TCM
P1796 (2) AUTOSTICK SENSOR CIRCUIT
P1797 (2) MANUAL SHIFT OVERHEAT
P1798 (2) WORN/OUT BURNT TRANSAXLE FLUID
P1799 (2) CALCULATED OIL TEMP IN USE
P1899  P/N SWITCH STUCK IN PARK OR IN GEAR (3SP AUTO TRANS)
P1899  P/N SWITCH STUCK IN PARK OR IN GEAR (4SP AUTO TRANS)
(1) Perform appropriate 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) This DTC is related to cruise control system diagnostics. For diagnostic procedure, see appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
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