Test Description
WARNING: This page is about a different variant/trim than selected.
The numbers below refer to the step numbers on the diagnostic table.
- 5: A DTC P0602 indicates the ECM is not programmed.
- 7: Attempt to program the ECM. If the ECM fails to program a second time, replace the ECM.
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 3 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
Go to Diagnostic Trouble Code (DTC) List - Vehicle | Go to Step 3 |
| 3 | Is DTC P0606 set? | Go to Step 4 | Go to Step 5 |
| 4 | Was DTC P0606 only present after interrogating the vehicle for stored Failure Records or Freeze Frame Data with a scan tool? | Go to Step 9 | Go to Step 8 |
| 5 | Is DTC P0602 set? | Go to Step 6 | Go to Step 8 |
| 6 | Program the engine control module (ECM). Refer to Service Programming System (SPS)
. Does DTC P0602 reset? |
Go to Step 7 | Go to Step 9 |
| 7 |
|
Go to Step 8 | Go to Step 9 |
| 8 | Replace the ECM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 9 | - |
| 9 |
|
Go to Step 10 | Go to Step 3 |
| 10 | Observe the Capture Info with a scan tool. Does the scan tool display any DTCs that you have not diagnosed? |
Go to Diagnostic Trouble Code (DTC) List - Vehicle | System OK |