Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM will command the message OFF after one trip in which the diagnostic test has been run and passed.
- The history DTC will clear after 40 consecutive warm-up cycles have occurred without a malfunction.
- The DTC can be cleared by using the scan tool Clear DTC Information function.
DTC P0563
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Engine Controls Schematics
in Engine Controls - 3.6L (LY7) Connector End View Reference: Engine Control Module (ECM) Connector End Views in Engine Controls - 3.6L (LY7) or Power and Grounding Connector End Views in Wiring Systems |
||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 |
|
16 V | Go to Step 4 | Go to Step 3 |
| 3 | Using a scan tool, compare the Battery Voltage parameter in the body control module (BCM) data list with the Ignition 1 Signal parameter in the ECM data list. Are the Battery Voltage and Ignition 1 Signal parameter readings different by more than the value specified? |
0.5 V | Go to Step 4 | Go to Charging System Test |
| 4 |
IMPORTANT:
The replacement ECM must be programmed. Replace the ECM. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming.Did you complete the replacement? |
- | Go to Step 5 | - |
| 5 |
|
- | Go to Step 2 | System OK |