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.
Parking Assist Switch Circuit Malfunction
2010 Saab 9-5SECTION Parking Assist Switch Circuit Malfunction
- Ignition OFF, disconnect the X1 harness connector at the K41 Parking Assist Control Module and the harness connector at the S48E Multifunction Switch - Center Console.
- Test for less than 10 Ξ© between the S48E Multifunction Switch - Center Console ground circuit terminal 2 and ground.
- If greater than the specified range, test the ground circuit for an open/high resistance.
- Ignition ON, test for less than 0.3 V between the signal circuit terminal 8 X1 at the K41 Parking Assist Control Module harness connector and ground.
- If greater than the specified range, test the signal circuit for a short to voltage.
- Ignition OFF, connect the harness connector at the S48E Multifunction Switch - Center Console.
- Ignition ON, verify that a test lamp does not illuminate between the B+ circuit terminal 1 X1 at the K41 Parking Assist Control Module harness connector and signal circuit terminal 8 X1.
- If the test lamp illuminates, test signal circuit for a short to ground. If the circuit tests normal, replace the S48E Multifunction Switch - Center Console.
- Verify that the test lamp illuminates between the B+ circuit terminal 1 X1 at the K41 Parking Assist Control Module harness connector and signal circuit terminal 8 X1 while pressing the parking assist switch.
- If the test lamp does not illuminate, test the signal circuit for an open/high resistance. If all circuits test normal, replace the S48E Multifunction Switch - Center Console.
- If all circuits test normal, replace the K41 Parking Assist Control Module.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.