Diagnostic Aids
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
In order to avoid a misdiagnosis, perform the following:
- Inspect for proper operation of the stop lamps. Refer to Exterior Lighting Systems Description and Operation .
- Inspect for proper adjustment of the stop lamps. Refer to Stop Lamp Switch Adjustment .
- Inspect for proper adjustment of the cruise control release switch. Refer to Cruise Release Switch Adjustment .
- For an intermittent condition, refer to Testing for Intermittent Conditions and Poor Connections .
DTC P1574 (2.2L)
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference : Cruise Control Schematics Connector End View Reference: Cruise Control Connector End Views or Lighting Systems Connector End Views |
|||
| 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 Diagnostic Aids |
| 3 | Do the stop lamps operate properly? | Go to Step 4 | Go to Stop Lamps Inoperative |
| 4 | Test the stop lamp switch signal circuit for an open or for a high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 7 | Go to Step 5 |
| 5 | Inspect for poor connections at the harness connector of the engine control module (ECM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 7 | Go to Step 6 |
| 6 | Replace the ECM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 7 | - |
| 7 |
|
Go to Step 2 | System OK |