Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Aids
2010 Saturn Vue XE, 3.5 NSECTION Diagnostic Aids
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.
Before performing this procedure, ensure that the following conditions are met:
- The vehicle park brake is SET.
- The rear parking assist (RPA) disable switch is ON.
Rear Parking Assist Inoperative - Red Indicator Flashes
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Object Detection Schematics | ||||
| 1 | Did you review the operation and perform the necessary inspections? | - | Go to Step 2 | Go to Symptoms - Ultrasonic Rear Parking Assist |
| 2 |
|
- | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
| 3 |
|
- | Go to Step 4 | Go to Step 14 |
| 4 | Does diagnostic indicator pattern #2, 3, 4 or 5 (Diagnostic Trouble Code (DTC) Displaying ) appear as shown in the diagnostic indicator table? | - | Go to Step 9 | Go to Step 5 |
| 5 | Does diagnostic indicator pattern #6 (Diagnostic Trouble Code (DTC) Displaying ) appear as shown in the diagnostic indicator table? | - | Go to Step 10 | Go to Step 6 |
| 6 | Does diagnostic indicator pattern #7 (Diagnostic Trouble Code (DTC) Displaying ) appear as shown in the diagnostic indicator table? | - | Go to Diagnostic Trouble Code (DTC) Displaying and to Diagnostic Trouble Code (DTC) Clearing | Go to Step 7 |
| 7 | Does diagnostic indicator pattern #8 (Diagnostic Trouble Code (DTC) Displaying ) appear as shown in the diagnostic indicator table? | - | Go to Step 8 | Go to Step 17 |
| 8 |
|
- | Go to Step 15 | Go to Step 16 |
| 9 |
|
7 V | Go to Step 17 | Go to Step 11 |
| 10 |
|
9.5 V | Go to Step 17 | Go to Step 13 |
| 11 | Test the signal circuit of the inoperative rear object sensor for an open, for a short to ground and for a short to B+. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 22 | Go to Step 12 |
| 12 | Test the supply voltage circuit and the low reference circuit of the inoperative rear object sensor for an open between S428 or S429 and the rear object sensor. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 22 | Go to Step 16 |
| 13 | Test the rear parking assist chime signal circuit for an open and for a short to ground. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 22 | Go to Step 18 |
| 14 | Test the rear parking assist diagnostic circuit for an open and for a high resistance. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 22 | Go to Step 17 |
| 15 | Test the supply voltage circuit and the low reference circuit of the rear object sensors for an open, for a short to ground and for a high resistance. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 22 | Go to Step 17 |
| 16 | Inspect for poor connections at the harness connector of the rear object sensor. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 22 | Go to Step 19 |
| 17 | Inspect for poor connections at the harness connector of the rear object sensor control module. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 22 | Go to Step 20 |
| 18 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 22 | Go to Step 21 |
| 19 | Replace the inoperative rear object sensor. Refer to Rear Object Sensor Replacement . Did you find and correct the condition? |
- | Go to Step 22 | - |
| 20 | Replace the rear object sensor control module. Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
- | Go to Step 22 | - |
| 21 | Replace the BCM. Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
- | Go to Step 22 | - |
| 22 |
|
- | System OK | Go to Step 2 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.