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 MANUALSMERCEDES BENZ2025SPRINTER 3500XD 2D CAB CHASSIS EXTENDED, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 3375 (ENGINE CONTROLS - PINPOINT TEST A: NO START THROUGH PINPOINT TEST DK: ACCELERATOR PEDAL POSITION (APP) SENSOR - (EXCEPT DIESEL & HYBRID))PINPOINT TEST DK: ACCELERATOR PEDAL POSITION (APP) SENSORINTRODUCTION
2025 Mercedes Benz Sprinter 3500XD 2D Cab Chassis Extended, RWD
PINPOINT TEST DK: Accelerator Pedal Position (APP) Sensor: Introduction
2025 Mercedes Benz Sprinter 3500XD 2D Cab Chassis Extended, RWDSECTION Introduction
WARNING: This page does not describe the selected car, but rather 22 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After clearing an APP sensor diagnostic trouble code (DTC) to verify a repair or an intermittent concern, apply the accelerator pedal before carrying out the self-test. Take 10 seconds to carry out a full sweep of the accelerator pedal from fully released to fully applied and back to fully released.
This pinpoint test is intended to diagnose the following:
- APP sensor (9F836)
- harness circuits: APPRTN, APPRTN2, APPVREF, APPVREF2, APP, APP2, and APP3
- powertrain control module (PCM) (12A650)
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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.