Backup Lamps Always On
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Backup Lamps Always On
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Data Communication Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Verify that the backup lamps are always on. Do the backup lamps operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Use the scan tool to check if there are any codes set in the current or history Powertrain DTC Information. Are any codes present? |
Go to Diagnostic System Check - Vehicle | Go to Step 4 |
| 4 | Test the backup lamp supply voltage circuit of the backup lamps for a short to voltage. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 7 | Go to Step 5 |
| 5 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 7 | Go to Step 6 |
| 6 | Replace the BCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 7 | - |
| 7 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |