DTC Troubleshooting
DIAGNOSTICS PROCEDURE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was ESP® System Check performed? | Go to step 2. | Go to ESP® SYSTEM CHECK . |
| 2 | DTC check
Is there DTC(s) other than C1093? |
Go to APPLICABLE DTC TROUBLESHOOTING . | Go to Step 3. |
| 3 | DTC check for 4WD system
Is any DTC(s) detected? |
Go to APPLICABLE DTC TROUBLESHOOTING . | Substitute a known-good 4WD control module and recheck DTC. Substitute a known-good ESP® control module if DTC C1093 is still detected, see ESP® HYDRAULIC UNIT/CONTROL MODULE ASSEMBLY REMOVAL AND INSTALLATION . |