HVAC

9060-AUXILIARY ELECTRICAL HEATER MODULE (AEHM) DEFECTIVE

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Continuously.

- Set Condition:
The Warm Water Auxiliary Heating 2 Control Unit detects an incorrect variant coding or incorrect control unit installed.





Diagnostic Test

1. DTC IS ACTIVE
Turn the ignition on.
With the scan tool, read DTC's.
Is this DTC active?

Yes

- Go To 2

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests.

2. WARM WATER AUXILIARY HEATING 2 CONTROL UNIT CODING
Using the scan tool, perform Warm Water Auxiliary Heating 2 Control Unit Manual Variant Coding for vehicle application.
With the scan tool, read DTC's.
Is this DTC active?

Yes

- Replace the Warm Water Auxiliary Heating 2 Control Unit.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

No

- Test Complete.