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 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 P0560
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Engine Controls Schematics
in Engine Controls - 3.8L (L26) Connector End View Reference: Engine Controls Connector End Views in Engine Controls - 3.8L (L26) 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 |
|
11 V | Go to Step 6 | Go to Step 3 |
| 3 | Using a scan tool, compare the Battery Voltage parameter in the DIM data list with the Ignition 1 Signal parameter in the PCM data list. Is the battery voltage and PCM Ignition 1 readings different by more than the value specified? |
0.5 V | Go to Step 4 | Go to Charging System Test |
| 4 | Test the battery positive voltage circuit of the PCM for a high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 7 | Go to Step 5 |
| 5 | Inspect for poor connections at the harness connector of the PCM. Refer to Testing for Intermittent Conditions and Poor Connections
andConnector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 7 | Go to Step 6 |
| 6 |
IMPORTANT:
The replacement PCM must be programmed. Replace the PCM. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming.Did you complete the replacement? |
- | Go to Step 7 | - |
| 7 |
|
- | Go to Step 2 | System OK |