DTC P0571: Brake Switch Circuit: Troubleshooting
TROUBLESHOOTING CHART
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check? | - | Go to Step 2 | Go to On-Board Diagnostic (OBD II) System Check |
| 2 | Do the stop lamps operate properly? | - | Go to Step 3 | Go to LIGHTING SYSTEMS |
| 3 | Test the stop lamp switch signal circuit for an open or for a high resistance between the brake switch and the Engine Control Module (ECM). Did you find and correct the condition? |
- | Go to Step 6 | Go to Step 4 |
| 4 | Inspect for poor connections at the harness connector of the ECM. Did you find and correct the condition? |
- | Go to Step 6 | Go to Step 5 |
| 5 | Replace the ECM. Did you complete the replacement? |
- | Go to Step 6 | - |
| 6 |
Does the DTC reset? |
- | Go to Step 2 | System OK |