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 P0562
| 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 | With the scan tool monitor the Ignition 1 signal voltage in the PCM data list. Does the scan tool display Ignition 1 voltage greater than the specified value? |
10.5 V | Go to Step 4 | Go to Step 3 |
| 3 | Test the ignition feed circuit to the PCM for high resistance or open. Refer to Circuit Testing
andWiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 7 | Go to Step 5 |
| 4 |
|
- | Go to Step 7 | Go to Step 6 |
| 5 | Repair the ignition feed circuit to the PCM for an open or a short to ground. Refer to Wiring Repairs
in Wiring Systems. Is the action complete? |
- | Go to Step 7 | - |
| 6 |
IMPORTANT:
The replacement PCM must be programmed. Replace the PCM. Refer to Powertrain Control Module (PCM) Replacement
in Engine Controls-4.3L, Powertrain Control Module (PCM) Replacement
in Engine Controls-4.8L, 5.3L, and 6.0L 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 7 | - |
| 7 |
|
- | Go to Step 2 | System OK |