B16F8-FRONT LEFT FOG LAMP CONTROL CIRCUIT LOW

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

When Monitored:
With the Front Fog Lamps active.
Set Condition:
When the Totally Integrated Power Module (TIPM) detects a low condition.

Possible Causes
(L89) LEFT FRONT FOG LAMP CONTROL CIRCUIT SHORTED TO GROUND
LEFT FRONT FOG LAMP BULB
TOTALLY INTEGRATED POWER MODULE (TIPM)

1. INTERMITTENT CONDITION

1.	Turn the ignition on.

2.	With the scan tool, clear all DTCs.

3.	Turn the Front Fog Lamps on.

4.	With the scan tool, read DTCs.

Does the scan tool display active DTC B16F8-FRONT LEFT FOG LAMP CONTROL CIRCUIT LOW?

Yes

Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).

2. LEFT FRONT FOG LAMP BULB

1.	Turn the ignition off.

2.	Disconnect the Left Front Fog Lamp bulb.

3.	Turn the ignition on.

4.	With the scan tool, read DTCs.

Does the DTC reset?

Yes

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

3. (L89) LEFT FRONT FOG LAMP CONTROL CIRCUIT SHORTED TO GROUND

1.	Turn the ignition off.

2.	Disconnect the TIPM C4 harness connector.

3.	Measure the resistance between ground and the (L89) Left Front Fog Lamp Control circuit.

Is the resistance above 10k Ohms?

Yes

Replace the 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).

Repair the short to ground in the (L89) Left Front Fog Lamp Control circuit.
Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).