Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. 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 P0562
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Engine Controls Schematics
for the 3.9L (LZ9) engine or Starting and Charging Schematics Connector End View Reference: Engine Control Module (ECM) Connector End Views for the 3.9L (LZ9) engine |
||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
10.5 V | Go to Step 7 | Go to Step 3 |
| 3 | Measure the voltage at the battery terminals and compare it with the Ignition 1 Signal parameter in the ECM data list. Are the battery voltage and Ignition 1 Signal 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 ECM for a high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 8 | Go to Step 5 |
| 5 | Test the ground circuit of the ECM for a high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 8 | Go to Step 6 |
| 6 | Inspect for poor connections at the harness connector of the ECM. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 8 | Go to Step 7 |
| 7 | Replace the ECM. Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
- | Go to Step 8 | - |
| 8 |
|
- | Go to Step 2 | System OK |