B1670-RIGHT TRAILER TOW LAMP CONTROL CIRCUIT HIGH

For a complete wiring diagram, refer to the Wiring Information.

When Monitored:
Continuously
Set Condition:
The Totally Integrated Power Module (TIPM) Detects a HIGH condition.

Possible Causes
(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT OPEN
(L674) RIGHT TRAILER TOW LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE
TOTALLY INTEGRATED POWER MODULE

1. TEST FOR INTERMITTENT CONDITION

1.	Turn the ignition on.

2.	With the scan tool, clear all DTCs

3.	Turn on the Right Turn Signal.

4.	With the scan tool, read DTCs.

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

Yes

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. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).

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

1.	Turn the ignition off.

2.	Disconnect the TIPM C6 harness connector.

3.	Disconnect the Right Trailer Tow Lamp harness connectors.

4.	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. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).

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

1.	Turn the ignition on.

2.	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. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).

Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).