4 Digit Codes

FAULT CODE/
DIAG. CHART FAULT DESCRIPTION

1000 IGNITION LINE LOW
1001 IGNITION LINE HIGH
1002 CHECKING VEHICLE CONFIGURATION
1004 BATTERY VOLTAGE HIGH
1005 SENSOR GROUND LINE OUT OF LIMITS
1010 DIAGNOSTIC ENABLE LINE LOW
1011 DIAGNOSTIC ENABLE LINE HIGH
1012 MPA LINE LOW
1013 MPA LINE HIGH
1014 FUEL PUMP LINE LOW
1015 FUEL PUMP LINE HIGH
1016 MANIFOLD AIR TEMPERATURE SENSOR LINE LOW
1017 CHARGE AIR TEMPERATURE SENSOR LINE HIGH
1021 ENGINE FAILED TO START -- MECHANICAL, FUEL OR IGNITION PROBLEM
1022 START LINE LOW
1024 ECU DOES NOT SEE START SIGNAL
1027 ECU SEES WIDE OPEN THROTTLE
1028 ECU DOES NOT SEE WIDE OPEN THROTTLE
1031 ECU SEES CLOSED THROTTLE
1032 ECU DOES NOT SEE CLOSED THROTTLE
1033 IDLE SPEED INCREASE LINE LOW
1034 IDLE SPEED INCREASE LINE HIGH
1035 IDLE SPEED DECREASE LINE LOW
1036 IDLE SPEED DECREASE LINE HIGH
1037 THROTTLE POSITION SENSOR READS LOW
1038 PARK/NEUTRAL LINE HIGH
1040 LATCHED B+ LINE LOW
1041 LATCHED B+ LINE HIGH
1042 NO LATCHED B+ 1/2 VOLT DROP
1048 MANUAL VEHICLE EQUIPPED WITH AUTOMATIC ECU
1049 AUTOMATIC VEHICLE EQUIPPED WITH MANUAL ECU
1050 IDLE RPM LESS THAN 500
1051 IDLE RPM GREATER THAN 2000
1052 MAP SENSOR OUT OF LIMITS
1053 CHANGE IN MAP READING OUT OF LIMITS
1054 COOLANT TEMPERATURE SENSOR LINE LOW
1055 COOLANT TEMPERATURE SENSOR LINE HIGH
1056 INACTIVE COOLANT TEMPERATURE SENSOR
1057 KNOCK SENSOR SHORTED
1058 KNOCK SENSOR VALUE OUT OF LIMITS
1059 A/C REQUEST LINE LOW
1060 A/C REQUEST LINE HIGH
1061 A/C SELECT LINE LOW
1062 A/C SELECT LINE HIGH
1063 A/C CLUTCH LINE LOW
1064 A/C CLUTCH LINE HIGH
1065 OXYGEN SENSOR READS RICH
1066 OXYGEN SENSOR READS LEAN
1067 LATCH RELAY LINE LOW
1068 LATCH RELAY LINE HIGH
1069 NO TACH
1070 A/C CUTOUT LINE LOW
1071 A/C CUTOUT LINE HIGH
1073 ECU DOES NOT SEE SPEED SENSOR SIGNAL
1200 ECU DEFECTIVE
1202 ALL INJECTORS SHORTED TO GROUND
1209 ALL INJECTORS OPEN
1218 NO VOLTAGE AT ECU FROM POWER LATCH RELAY
1220 NO VOLTAGE AT ECU FROM EGR SOLENOID
1221 NO INJECTOR VOLTAGE
1222 MPA NOT GROUNDED
1223 NO ECU TEST RUN