B1670

B1670-RIGHT TRAILER TOW LAMP CONTROL CIRCUIT HIGH

For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

Continuously

- Set Condition:

The Totally Integrated Power Module (TIPM) Detects a HIGH condition.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, clear all DTC's

Turn on the Right Turn Signal.

With the scan tool, read DTC's.

Does the scan tool display active: B1670-RIGHT TRAILER TOW LAMP CONTROL CIRCUIT HIGH?

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 the BODY VERIFICATION TEST - VER 1. Body Verification Test

2. (L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT OPEN

Turn the ignition off.

Disconnect the TIPM C6 harness connector.

Disconnect the Right Trailer Tow Lamp harness connectors.

Measure the resistance of the (L674) Right Trailer Tow Lamp Control circuit between the Right Trailer Tow Lamp harness connectors and the TIPM C6 harness connector.

Does the ohm meter read open circuit?

Yes

- Repair the (L674) Right Trailer Tow Lamp Control circuit for an open.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go To 3

3. (L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE

Turn the ignition on.

Measure the voltage on the (L674) Right Trailer Tow Lamp Control circuit.

Is there any voltage present?

Yes

- Repair the (L674) Right Trailer Tow Lamp Control circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Replace the Totally Integrated Power Module (TIPM).
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test