SYMPTOM ID TEST 1B - IDENTIFYING DTCs
NOTE:
Perform TEST 1A before proceeding with this test.
If scan tool displays Diagnostic Trouble Codes (DTCs) in TEST 1A, record DTCs displayed and perform appropriate test(s). See BODY CONTROL MODULE (BCM) TROUBLE CODES table.
BODY CONTROL MODULE (BCM) TROUBLE CODES
| Scan Tool Display | Perform | ||||
|---|---|---|---|---|---|
| Battery Power To Module | NO RESPONSE TEST 1A | ||||
| Driver Door Disarm Switch Input Test | VTSS TEST 13A | ||||
| EATX PRNDL Message | NO RESPONSE TEST 4A | ||||
| EEPROM Constant Checksum | (1) Replace BCM | ||||
| Evaporator Temperature Sensor Failure | (2) * | ||||
| Fuel Level Sending Unit Test | INSTRUMENT CLUSTER TEST 5A | ||||
| HVAC Control Head Input Shorted To Battery | (2) * | ||||
| HVAC Control Head Input Shorted To Ground | (2) * | ||||
| HVAC Mode Door Feedback Failure | (2) * | ||||
| HVAC Mode Door Stall Test | (2) * | ||||
| Internal Module Tests | (1) Replace BCM | ||||
| Panel Lights Failure | INSTRUMENT CLUSTER TEST 5A | ||||
| Passenger Door Disarm Switch Input Test | VTSS TEST 14A | ||||
| Rear Defogger Button Stuck | (2) * | ||||
| Wiper Park Switch Failure | WINDSHIELD WIPER TEST 6A | ||||
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