Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- The Conditions for Setting the DTC are no longer present.
- A history DTC will clear after 40 malfunction free ignition cycles.
- The powertrain control module (PCM) receives the clear code command from the scan tool.
DTC P0563
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Starting and Charging Schematics (Except HP2)
or Starting and Charging Schematics (HP2) Connector End View Reference: Engine Electrical Connector End Views |
||||
| 1 | Did you perform the Engine Electrical Diagnostic System Check? | - | Go to Step 2 | Go to Diagnostic System Check - Engine Electrical |
| 2 |
|
19 V | Go to Step 4 | Go to Step 3 |
| 3 | Replace the generator. Refer to Generator Replacement (4.3L Engine)
or Generator Replacement (4.8L, 5.3L, and 6.0L Engines)
or Generator Replacement (6.6L (LB7) Engine)
or Generator Replacement (6.6L (LLY) Engine)
or Generator Replacement (8.1L Engine)
. Is the action complete? |
- | Go to Step 5 | - |
| 4 |
IMPORTANT:
The replacement PCM must be programmed. Replace the PCM. Refer to Powertrain Control Module (PCM) Replacement
in Engine Controls-4.8L, 5.3L, and 6.0L, Powertrain Control Module (PCM) Replacement
in Engine Controls-4.3L or Powertrain Control Module (PCM) Replacement
in Engine Controls-8.1L.If equipped with a 6.6L (Diesel), refer to Engine Control Module (ECM) Replacement
in Engine Controls-6.6L.Is the action complete? |
- | Go to Step 5 | - |
| 5 |
|
- | Go to Step 2 | System OK |