DTC Troubleshooting
WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLESHOOTING CHART
| Step |
Action |
YES |
NO |
| 1 |
DTC check
- Connect scan tool to DLC with ignition switch turned OFF.
- Check BCM for DTC.
Are there DTC B1141, B1142 or B1143? |
Go to applicable DTC diag. flow. |
Substitute a known-good HVAC control module and recheck. |