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DTC Troubleshooting
DTC 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 |
- Observe the Freeze Frame / Failure Records for this DTC.
- Turn the ignition OFF for 30 seconds.
- Start the engine.
- Operate the vehicle within the Conditions for Setting the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame / Failure Records.
Did the DTC fail this ignition? |
- |
Go to Step 3. |
Go to Intermittents
. |
| 3 |
Replace the ECM.
Did you complete the replacement? |
- |
Go to Step 4. |
- |
| 4 |
- Clear the DTCs with a scan tool.
- Turn the OFF ignition for 30 seconds.
- Start the engine.
- Operate the vehicle within the Conditions for Setting the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame / Failure Records.
Did the DTC fail this ignition? |
- |
Go to Step 2. |
Go to Step 5. |
| 5 |
Check if any additional DTCs are set.
Are there any DTCs that have not been diagnosed? |
- |
Go to applicable DTC Table
. |
System OK |