Low Engine Oil Level Indicator Always On
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Low Engine Oil Level Indicator Always On
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Instrument Cluster Schematics | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
Go to Step 3 | Go to Step 4 |
| 3 | Does the CHECK ENG OIL LEVEL indicator remain illuminated after the displays test? | Go to Step 11 | Go to Testing for Intermittent Conditions and Poor Connections |
| 4 |
|
Go to Step 6 | Go to Step 5 |
| 5 | Test the signal circuit of the engine oil level switch for a short to battery voltage, for an open or for a high resistance. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
Go to Step 12 | Go to Step 8 |
| 6 | Test the ground circuit of the engine oil level switch for an open or for a high resistance. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
Go to Step 12 | Go to Step 7 |
| 7 | Inspect for poor connections at the harness connector of the engine oil level switch. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
Go to Step 12 | Go to Step 9 |
| 8 | Inspect for poor connections at the harness connector of the powertrain control module (PCM). Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
Go to Step 12 | Go to Step 10 |
| 9 | Replace the engine oil level switch. Refer to Engine Oil Level Sensor and/or Switch Replacement
. Did you complete the replacement? |
Go to Step 12 | - |
| 10 | Replace the PCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 12 | - |
| 11 | Replace the instrument panel cluster (IPC). Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 12 | - |
| 12 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |