DTC P0571: Brake Switch Circuit: Troubleshooting
WARNING: This page is about a different car, the 2008 Suzuki Reno, 2008 Suzuki Forenza, 2007 Suzuki Reno, and 2007 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.
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 |