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Diagnostic Trouble Code Definitions

DTC MESSAGES & CODES

DTC DRBIII Scan Tool Message
P0106  BAROMETRIC PRESSURE OUT OF RANGE
P0107  MAP SENSOR VOLTAGE TOO LOW
P0108  MAP SENSOR VOLTAGE TOO HIGH
P0112  INTAKE AIR TEMP SENSOR VOLTAGE LOW
P0113  INTAKE AIR TEMP SENSOR VOLTAGE HIGH
P0117  ECT SENSOR VOLTAGE TOO LOW
P0118  ECT SENSOR VOLTAGE TOO HIGH
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
P0151  2/1 O2 SENSOR SHORTED TO GROUND
P0152  2/1 O2 SENSOR SHORTED TO VOLTAGE
P0153  2/1 O2 SENSOR SLOW RESPONSE
P0154  2/1 O2 SENSOR STAYS AT CENTER
P0155  2/1 O2 SENSOR HEATER FAILURE
P0157  2/2 O2 SENSOR SHORTED TO GROUND
P0158  2/2 O2 SENSOR SHORTED TO VOLTAGE
P0160  2/2 O2 SENSOR STAYS AT CENTER
P0161  2/2 O2 SENSOR HEATER FAILURE
P0171  1/1 FUEL SYSTEM LEAN
P0172  1/1 FUEL SYSTEM RICH
P0174  2/1 FUEL SYSTEM LEAN
P0175  2/1 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
P0206  INJECTOR #6 CONTROL CIRCUIT
P0300  MULTIPLE CYLINDER MISFIRE
P0301  CYLINDER #1 MISFIRE
P0302  CYLINDER #2 MISFIRE
P0303  CYLINDER #3 MISFIRE
P0304  CYLINDER #4 MISFIRE
P0305  CYLINDER #5 MISFIRE
P0306  CYLINDER #6 MISFIRE
P0320  NO CRANK REFERENCE SIGNAL AT PCM
P0325  KNOCK SENSOR #1 CIRCUIT
P0340  NO CAM SIGNAL AT PCM
P0351  IGNITION COIL #1 PRIMARY CIRCUIT
P0352  IGNITION COIL #2 PRIMARY CIRCUIT
P0353  IGNITION COIL #3 PRIMARY CIRCUIT
P0354  IGNITION COIL #4 PRIMARY CIRCUIT
P0355  IGNITION COIL #5 PRIMARY CIRCUIT
P0356  IGNITION COIL #6 PRIMARY CIRCUIT
P0401  EGR SYSTEM FAILURE
P0403  EGR SOLENOID CIRCUIT
P0404  EGR POSITION SENSOR RATIONALITY
P0405  EGR POSITION SENSOR VOLTAGE TOO LOW
P0406  EGR POSITION SENSOR VOLTAGE TOO HIGH
P0420  1/1 CATALYTIC CONVERTER EFFICIENCY
P0432  2/1 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
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
P0505  IDLE AIR CONTROL MOTOR CIRCUITS
P0551  POWER STEERING SWITCH FAILURE
P0600  PCM FAILURE SPI COMMUNICATIONS
P0601  INTERNAL CONTROLLER FAILURE
P0622  GENERATOR FIELD NOT SWITCHING PROPERLY
P0645  A/C CLUTCH RELAY CIRCUIT
P0700  EATX CONTROLLER DTC PRESENT
P0703  BRAKE SWITCH SENSE CIRCUIT
P1195  1/1 O2 SENSOR SLOW DURING CATALYST MONITOR
P1196  2/1 O2 SENSOR SLOW DURING CATALYST MONITOR
P1281  ENGINE IS COLD TOO LONG
P1282  FUEL PUMP RELAY CONTROL CIRCUIT
P1288  INTAKE MANIFOLD SHORT RUNNER SOLENOID CIRCUIT
P1289  MANIFOLD TUNE VALVE CONTROL CIRCUIT
P1294  TARGET IDLE NOT REACHED
P1297  NO CHANGE IN MAP SENSOR 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
P1398  MISFIRE ADAPTIVE NUMERATOR AT LIMIT
P1478  BATTERY TEMPS SENSOR VOLTS OUT OF LIMIT
P1486  EVAP LEAK MONITOR PINCHED HOSE FOUND
P1489  HIGH SPEED FAN CONTROL RELAY CIRCUIT
P1490  LOW SPEED FAN CONTROL RELAY CIRCUIT
P1492  AMBIENT/BATT TEMP SENSOR VOLTS TOO HIGH
P1493  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  CHARGING SYSTEM VOLTAGE TOO HIGH
P1595 (1)
P1597 (1)
P1598  A/C PRESSURE SENSOR VOLTS TOO HIGH
P1599  A/C PRESSURE SENSOR VOLTS TOO LOW
P1682  CHARGING SYSTEM VOLTAGE TOO LOW
P1683 (1)
P1685  INVALID SKIM KEY
P1686  NO SKIM BUS MESSAGE RECEIVED
P1687  NO CLUSTER BUS MESSAGE
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
P1899  P/N SWITCH STUCK IN PARK OR IN GEAR
(1) DTC is a cruise control system related code. See CRUISE CONTROL SYSTEMS - CONCORDE, INTREPID, LHS & 300M article in ACCESSORIES & EQUIPMENT.