TABLE OF CONTENTS - Continued
P0633-SKIM KEY NOT PROGRAMMED IN PCM.............................243
P0645-A/C CLUTCH RELAY CIRCUIT .....................................244
P0660-MANIFOLD TUNE VALVE SOLENOID CIRCUIT........................246
P0685-ASD RELAY CONTROL CIRCUIT ...................................249
P0688-ASD RELAY SENSE CIRCUIT LOW .................................251
P0700-TRANSMISSION CONTROL SYSTEM/READ TRANSMISSION DTCS
ON THE DRBIIIT .......................................................254
P0850-PARK/NEUTRAL SWITCH PERFORMANCE ..........................255
P1115-GENERAL TEMP SENSOR PERFORMANCE..........................256
P1593-SPEED CONTROL SWITCH STUCK.................................260
P1602-PCM NOT PROGRAMMED ........................................263
P1603-PCM INTERNAL DUAL-PORT RAM COMMUNICATION .................264
P1604-PCM INTERNAL DUAL-PORT RAM READ/WRITE INTEGRITY FAILURE. . .264
P1607-PCM INTERNAL SHUTDOWN TIMER RATIONALITY ...................264
P1696-EEPROM MEMORY WRITE DENIED/INVALID.........................265
P1697-EMR (SRI) MILEAGE NOT STORED.................................265
P1861-SIPHON LINE DISCONNECTED ....................................267
P2008-SHORT RUNNER SOLENOID CIRCUIT ..............................269
P2074-MANIFOLD PRESSURE/THROTTLE POSITION CORRELATION - HIGH
FLOW/VACUUM LEAK ..................................................271
P2096-DOWN STREAM FUEL SYSTEM 1/2 LEAN ...........................277
P2097-DOWN STREAM FUEL SYSTEM 1/2 RICH ...........................277
P2302-IGNITION COIL #1 SECONDARY CIRCUIT-INSUFFICIENT IONIZATION . . .280
P2305-IGNITION COIL #2 SECONDARY CIRCUIT - INSUFFICIENT IONIZATION . .280
P2308-IGNITION COIL #3 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION. . .280
P2311-IGNITION COIL #4 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION. . .280
P2314-IGNITION COIL #5 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION. . .280
P2317-IGNITION COIL #6 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION. . .280
P2503-CHARGING SYSTEM VOLTAGE LOW ...............................284
U0101-NO TRANSMISSION BUS MESSAGE................................287
U0140-NO BODY BUS MESSAGES .......................................289
U0155-NO CLUSTER BUS MESSAGE .....................................291
U0168-NO SKIM BUS MESSAGES........................................292
U110C-NO FUEL LEVEL BUS MESSAGE ..................................294
*CHECKING PCM POWER AND GROUND CIRCUITS ........................296
*CHECKING THE A/C RELAY OUTPUT ....................................297
SKREEM
ANTENNA FAILURE ....................................................299
COP FAILURE.........................................................299
EEPROM FAILURE.....................................................299
RAM FAILURE.........................................................299
ROMFAULT ..........................................................299
SERIAL LINK INTERNAL FAULT ..........................................299
STACK OVERFLOW FAILURE............................................299
PCM STATUS FAILURE .................................................301
SERIAL LINK EXTERNAL FAULT .........................................301
ROLLING CODE FAILURE...............................................303
VIN MISMATCH........................................................303
TRANSPONDER COMMUNICATION FAILURE ..............................305
TRANSPONDER ID MISMATCH ..........................................305
TRANSPONDER RESPONSE MISMATCH ..................................305
UNPROGRAMMED SKREEM ............................................308
iv