Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- The PCM 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 - 5.7L | ||||
| 1 | Did you perform the Engine Electrical Diagnostic System Check? | - | Go to Step 2 | Go to Diagnostic System Check - Engine Electrical |
| 2 |
|
- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 |
|
18.0 V | Go to Step 5 | Go to Step 4 |
| 4 | Measure the voltage at the battery and compare it with the Ignition 1 Signal parameter in the PCM data list. Are the battery voltage and PCM Ignition 1 readings different by more than the value specified? |
0.5 V | Go to Step 5 | Go to Charging System Test |
| 5 |
IMPORTANT:
The replacement PCM must be programmed. Replace the PCM. Refer to Powertrain Control Module (PCM) Replacement
in Engine Controls 5.7L.Is action complete? |
- | Go to Step 6 | - |
| 6 |
|
- | Go to Step 3 | System OK |