Test Description
WARNING: This page is about a different variant/trim than selected.
The number below refers to the step number on the diagnostic table.
- 2: A DTC P0602 indicates that the PCM is not programmed.
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 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Is DTC P0602 set? | Go to Step 3 | Go to Step 5 |
| 3 | Program the powertrain control module (PCM). Refer to Service Programming System (SPS)
. Does DTC P0602 reset? |
Go to Step 4 | Go to Step 7 |
| 4 |
|
Go to Step 5 | Go to Step 7 |
| 5 | Test all voltage and ground inputs to the engine control module (ECM) for an open circuit or high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 7 | Go to Step 6 |
| 6 | Replace the PCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 7 | - |
| 7 |
|
Go to Step 2 | Go to Step 8 |
| 8 | Observe the Capture Info with a scan tool. Are there any DTCs that have not been diagnosed? |
Go to Diagnostic Trouble Code (DTC) List - Vehicle | System OK |