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.
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HOMESERVICE MANUALSFORD2010MUSTANG BASE, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1208 (MULTIFUNCTION ELECTRONIC MODULES)DIAGNOSIS AND TESTINGDRIVER SEAT MODULE (DSM)INSPECTION AND VERIFICATION
2010 Ford Mustang Base, 2D Coupe, Automatic
Inspection and Verification
2010 Ford Mustang Base, 2D Coupe, AutomaticSECTION Inspection and Verification
WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern.
- Visually inspect for obvious signs of electrical damage.VISUAL INSPECTION TABLE
Electrical - Battery Junction Box (BJB) fuse 32 (30A)
- Wiring, terminals or connectors
- Driver Seat Module (DSM)
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).NOTE: Make sure to use the latest scan tool software release.
- If the scan tool does not communicate with the VCM
:
- Check the VCM connection to the vehicle.
- Check the scan tool connection to the VCM .
- Refer to PINPOINT TEST AF: NO POWER TO THE SCAN TOOL , to diagnose no power to the scan tool.
NOTE: The Vehicle Communication Module (VCM) LED prove-out confirms power and ground from the DLC are provided to the VCM . - If the scan tool does not communicate with the vehicle:
- Verify the ignition key is in the ON position.
- Verify the scan tool operation with a known good vehicle.
- Refer to PINPOINT TEST A: THE PCM DOES NOT RESPOND TO THE SCAN TOOL to diagnose no response from the PCM.
- Carry out the network test.
- If the scan tool responds with no communication for one or more modules, refer to INSPECTION AND VERIFICATION .
- If the network test passes, retrieve and record the continuous memory DTCs.
- Clear the continuous DTCs and carry out the self-test diagnostics for the DSM .
- If the DTCs retrieved are related to the concern, go to DTC TABLES . For all other DTCs, refer to DIAGNOSTIC TROUBLE CODE (DTC) TABLE .
- If no DTCs related to the concern are retrieved, GO to SYMPTOM TABLE .
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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.