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1998 BMW 328IS E36

2.8L I6 M52•RWD•AUTOMATIC•gas
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Repairs0Labor564Torque2386Fluid7DTC649Battery0Maintenance0Recalls0
P1634low severityPowertrain

Accelerator Pedal Kickdown Switch

on 1998 BMW 328is E36 2.8L I6 M52 · RWD

What this code means

The DME detected a fault in the accelerator pedal kickdown switch circuit. The kickdown switch signals full throttle request for transmission downshift. This is a convenience feature fault rather than a driveability concern.

Symptoms

  • No kickdown during full throttle acceleration
  • Transmission may not downshift when floored
  • Check Engine Light

Common causes

  • Faulty kickdown switch in accelerator pedal
  • Wiring issue to kickdown switch
  • Accelerator pedal module failure
  • Connector corrosion

Diagnostic steps

  1. Test kickdown switch signal with scan tool while pressing pedal fully
  2. Inspect accelerator pedal connector
  3. Test switch continuity
  4. Check wiring to DME

Repair notes

Replace the accelerator pedal module if the kickdown switch is integrated and has failed.

Other Powertrain codes on this vehicle

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