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 MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 539 (BRAKE SYSTEM - GENERAL INFORMATION)DIAGNOSIS AND TESTINGBRAKE SYSTEMADJUSTABLE PEDAL WITH MEMORY FEATURE
2010 Mercury Mariner Hybrid, AWD
Adjustable Pedal With Memory Feature
2010 Mercury Mariner Hybrid, AWDSECTION Adjustable Pedal With Memory Feature
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern by operating the adjustable pedal.
- Visually inspect for obvious signs of mechanical or electrical damage.VISUAL INSPECTION TABLE
Mechanical Electrical - Adjustable pedal assembly
- Adjustable pedal switch
- Memory set switch
- Circuitry
- Smart junction box (SJB) fuse 4 (15 A)
- 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 (only for adjustable pedal with memory, all others GO to SYMPTOM TABLE ) connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
- check that the program card is correctly installed.
- check the connections to the vehicle.
- check the ignition switch position.
- If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
- Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
- CAN, UBP or ISO circuit fault; all electronic control units no response/not equipped, refer to MODULE COMMUNICATIONS NETWORK .
- No response/not equipped for the driver seat module (DSM), refer to PINPOINT TEST B: NO COMMUNICATION WITH THE DRIVER SEAT MODULE (DSM) .
- System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), and carry out the self-test diagnostics for the driver seat module (DSM).
- If the DTCs retrieved are related to the concern, go to the DRIVER SEAT MODULE (DSM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX .
- If no DTCs related to the concern are retrieved, GO to SYMPTOM TABLE .
DRIVER SEAT MODULE (DSM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU is Defective | DSM | REFER to DRIVER SEAT MODULE (DSM) . |
| B1530 | Memory Set Switch Circuit Short to Ground | DSM | GO to PINPOINT TEST C . |
| B1534 | Memory 1 Switch Circuit Short to Ground | DSM | GO to PINPOINT TEST C . |
| B1538 | Memory 2 Switch Circuit Short to Ground | DSM | GO to PINPOINT TEST C . |
| B1987 | Pedal Forward/Rearward Motor Stalled | DSM | GO to PINPOINT TEST C . |
| B1988 | Pedal Position Forward Switch Circuit Short to Ground | DSM | GO to PINPOINT TEST C . |
| B1989 | Pedal Position Rearward Switch Circuit Short to Ground | DSM | GO to PINPOINT TEST C . |
| B2971 | Pedal Position Input Circuit Short to Ground | DSM | GO to PINPOINT TEST C . |
| B2972 | Pedal Position Input Circuit Short to Battery | DSM | GO to PINPOINT TEST C . |
| B2477 | Module Configuration Failure | DSM | REFER to MODULE CONFIGURATION . |
| U1950 | UBP Communication Bus Fault | DSM | REFER to PINPOINT TEST I: THE DRIVER SEAT MODULE (DSM) DOES NOT RESPOND TO THE DIAGNOSTIC TOOL . |
| U2306 | UBP Invalid Data From Node ID $60 | DSM | REFER to PINPOINT TEST I: THE DRIVER SEAT MODULE (DSM) DOES NOT RESPOND TO THE DIAGNOSTIC TOOL . |
For a complete list of DSM DTCs, refer to DIAGNOSTIC TROUBLE CODE 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.