FixVault

Symptom Id Test 1B - Identifying Fault Messages

NOTE: Perform SYMPTOM ID TEST 1A  before proceeding with this test.

If scan tool displays fault messages in TEST 1A, record messages displayed and perform appropriate test(s). See SCAN TOOL MESSAGE DIRECTORY table.

SCAN TOOL MESSAGE DIRECTORY

Scan Tool Display Perform
BATTERY POWER TO MODULE DISCONNECTED (1)
DRIVER DOOR DISARM SWITCH INPUT VTSS TEST 11A 
EATX PRNDL MESSAGE TEST FAILED (1)
EEPROM CHECKSUM FAILURE (2) Replace BCM
FUEL LEVEL SENDING CIRCUIT ERROR INSTRUMENT CLUSTER TEST 3A 
IGNITION VOLTAGE TOO LOW (1)
INTERNAL MODULE TESTS FAILED (1) Replace BCM
PANEL LAMP PWM OUTPUT FAILURE INSTRUMENT CLUSTER TEST 5A 
PASSENGER DOOR DISARM SWITCH INPUT VTSS TEST 12A 
PCM DISTANCE MESSAGE NOT RECEIVED (1)
WIPER PARK SWITCH FAILURE WINDSHIELD WIPER TEST 6A 
(1) See VEHICLE COMMUNICATIONS TESTS  .
(2) After replacing Body Control Module (BCM), perform TEST VER-1A - VERIFICATION PROCEDURE  .