Diagnostic Test
- Check For An Active DTC
- With The Scan Tool, Read DTCS And Record On Repair Order.
- With The Scan Tool, Erase Radio DTCS.
- Turn The Radio On.
- With The Scan Tool, Reset The Radio.
- With The Scan Tool, Read Radio DTCS.
Did The DTC Return?
Yes
- Go To 2
No
- Perform The Testing For An Intermittent Condition Procedure. Refer To Testing For An Intermittent Condition .
- Check The Cabin Equalization Curve Number
- With The Scan Tool In The BCM ECU Details Tab, Configuration Button, Record The Cabin Equalization Curve Number.
- With The Scan Tool In The Radio ECU Details Tab, Configuration Button, Record The True Value.NOTE:
The Cabin EQ Curve Value Found In The BCM Should Match The True Value Found In The Radio.
Do The Cabin EQ Settings Match One Another?
Yes
- Replace The Radio In Accordance To The Service Information.
- Perform The Body Verification Test. Refer To Body Verification Test .
No
- Go To 3
- Verify Communication With BCM
- With The Scan Tool, Read The Active Modules On The Bus.
Does The Scan Tool Show The BCM Active On The Bus?
Yes
- Go To 4
No
- Refer To Diagnosis And Testing And Perform The No Response From Body Control Module (BCM) Diagnostic Procedure.
- With The Scan Tool, Read The Active Modules On The Bus.
- Check The BCM For Active DTCS
- With The Scan Tool, Erase BCM DTCS.
- Turn The Ignition Off. Wait Approximately 10 Seconds.
- Turn The Ignition On.
- With The Scan Tool, Read BCM DTCS And Record On The Repair Order.
Are Any Active DTCS Present?
Yes
- Repair BCM DTCS And Perform The Appropriate Diagnostic Procedure. Refer To BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX .
No
- Replace The Body Control Module (BCM) In Accordance With The Service Information. Refer To Module, Body Control (BCM), Removal And Installation .
- Perform The Body Verification Test. Refer To Body Verification Test .