Circuit/System Verification
- Ignition - On / Vehicle - In Service Mode
- Verify no other DTCs are set.
- If other DTCs are set
- Go to next step: If no other DTCs are set
- Verify DTC P0633 is not set.
- If DTC P0633 is set
- Perform the SPS function: Z1 Immobilizer Function - K20 Engine Control Module Refer to: Immobilizer System Component Programming
- Follow the instructions on the scan tool.
- Engine - Crank
- Verify the function: Engine = Running
- If the engine does not start
Refer to: Engine Starting
- Go to next step: If the engine starts
- If the engine does not start
- All OK.
- Go to next step: If no DTC is set
- All OK.
NOTE:
Do NOT replace the control module if DTC B0633 is set.New control modules will stay in immobilizer learn mode until the security code is learned and the engine was started successfully.