TABLE OF CONTENTS - Continued
P1682-CHARGING SYSTEM VOLTAGE TOO LOW - DIESEL . . . . . . . . . . . . . . . . . . .21
*CHECKING THE CHARGING SYSTEM OPERATION - DIESEL . . . . . . . . . . . . . . . . .21
COMMUNICATION
P-1685 WRONG OR INVALID KEY MSG RECEIVED FROM SKIM . . . . . . . . . . . . . . .25
P-1686 NO SKIM BUS MESSAGE RECEIVED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
P0600-PCM FAILURE SPI COMMUNICATIONS - DIESEL . . . . . . . . . . . . . . . . . . . . . .29
P0601-PCM INTERNAL CONTROLLER FAILURE - DIESEL. . . . . . . . . . . . . . . . . . . . .29
P1696-PCM FAILURE EEPROM WRITE DENIED . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
P1687-NO CLUSTER BUS MESSAGE - DIESEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
*NO RESPONSE FROM ECM AND PCM (DIESEL ONLY) . . . . . . . . . . . . . . . . . . . . . .32
*NO RESPONSE FROM PCM (PCI BUS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
*NO RESPONSE FROM PCM (SCI ONLY) - DIESEL ONLY . . . . . . . . . . . . . . . . . . . . .35
*PCI BUS COMMUNICATION FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
DRIVEABILITY - DIESEL
P0115-TEMPERATURE OF ENGINE COOLANT SRC HIGH EXCEEDED . . . . . . . . . .40
P0115-TEMPERATURE OF ENGINE COOLANT SRC LOW EXCEEDED . . . . . . . . . .42
P0117-ECT SENSOR VOLTAGE TOO LOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
P0118-ECT SENSOR VOLTAGE TOO HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
P0122-THROTTLE POSITION SENSOR VOLTAGE LOW . . . . . . . . . . . . . . . . . . . . . . .48
P0123-THROTTLE POSITION SENSOR VOLTAGE HIGH . . . . . . . . . . . . . . . . . . . . . .52
P0180-FUEL TEMPERATURE SENSOR SRC HIGH EXCEEDED . . . . . . . . . . . . . . . .56
P0180-FUEL TEMPERATURE SENSOR SRC LOW EXCEEDED . . . . . . . . . . . . . . . . .59
P0235-TURBOCHARGER BOOST SENSOR PLAUSIBILITY . . . . . . . . . . . . . . . . . . . .62
P0235-TURBOCHARGER BOOST SENSOR SIGNAL HIGH EXCEEDED . . . . . . . . . .64
P0235-TURBOCHARGER BOOST SENSOR SIGNAL LOW EXCEEDED . . . . . . . . . .67
P0235-TURBOCHARGER BOOST SENSOR SUPPLY HIGH EXCEEDED. . . . . . . . . .70
P0235-TURBOCHARGER BOOST SENSOR SUPPLY LOW EXCEEDED . . . . . . . . . .72
P0400-EGR OPEN CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
P0400-EGR SHORT CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
P0460-FUEL LEVEL UNIT NO CHANGE OVER MILES. . . . . . . . . . . . . . . . . . . . . . . . .79
P0462-FUEL LEVEL SENDING UNIT VOLTS TOO LOW. . . . . . . . . . . . . . . . . . . . . . . .81
P0463-FUEL LEVEL SENDING UNIT VOLTS TOO HIGH . . . . . . . . . . . . . . . . . . . . . . .83
P0500-VEH. SPEED SENSOR PEC FREQUENCY TOO HIGH . . . . . . . . . . . . . . . . . .85
P0500-VEH. SPEED SENSOR PLAUSIBILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
P0500-VEH. SPEED SENSOR SRC HIGH EXCEEDED . . . . . . . . . . . . . . . . . . . . . . . .85
P0500-VEH. SPEED SENSOR SRC LOW EXCEEDED. . . . . . . . . . . . . . . . . . . . . . . . .85
P0522-OIL PRESSURE VOLTAGE TOO LOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
P0523-OIL PRESSURE VOLTAGE TOO HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
P0712-TRANS TEMP SENSOR VOLTAGE TOO LOW. . . . . . . . . . . . . . . . . . . . . . . . . .94
P0713-TRANS TEMP SENSOR VOLTAGE TOO HIGH . . . . . . . . . . . . . . . . . . . . . . . . .98
P0720-LOW OUTPUT SPD SENSOR RPM, ABOVE 15 MPH. . . . . . . . . . . . . . . . . . .103
P0725-ENGINE SPEED SENSOR DYN. PLAUSIBILITY . . . . . . . . . . . . . . . . . . . . . . .107
P0725-ENGINE SPEED SENSOR STATIC PLAUSIBILITY . . . . . . . . . . . . . . . . . . . . .107
P0725-ENGINE SPEED SENSOR OVERSPEED RECOGNITION . . . . . . . . . . . . . . .110
P0743-TORQUE CONVERTER CLUTCH SOLENOID/TRANS RELAY CIRCUITS . . .112
P0748-GOVERNOR PRESSURE SOL CONTROL/TRANS RELAY CIRCUITS. . . . . .117
P0751-O/D SWITCH PRESSED (LO) MORE THAN 5 MINUTES . . . . . . . . . . . . . . . .122
P0753-TRANS 3-4 SHIFT SOL/TRANS RELAY CIRCUITS . . . . . . . . . . . . . . . . . . . . .124
P1105-ATMOSPHERE PRESSURE SENSOR SRC HIGH EXCEEDED . . . . . . . . . . .129
P1105-ATMOSPHERE PRESSURE SENSOR SRC LOW EXCEEDED . . . . . . . . . . .129
P1610-REGULATOR LOWER REGULATOR LIMIT . . . . . . . . . . . . . . . . . . . . . . . . . . .129
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