Back to 2002 Dodge Ram 2500

2002 DODGE RAM 2500

5.9L I6 Cummins Diesel4WDAUTOMATICdieselturbo
2 active safety recalls on this vehicle — view recalls
Repairs0Labor499Torque3672Fluid9DTC594Battery0Maintenance0Recalls2
P2128critical severityPowertrain

Throttle/Pedal Position Sensor/Switch E Circuit High

on 2002 Dodge Ram 2500 5.9L I6 Cummins Diesel · 4WD

What this code means

High voltage from accelerator pedal position sensor E.

Symptoms

  • Limp mode
  • Check engine light
  • Possible unintended throttle input

Common causes

  • Open ground
  • Short to voltage in harness
  • Failed sensor

Diagnostic steps

  1. Measure sensor E voltage
  2. Check ground circuit
  3. Inspect wiring

Repair notes

Replace accelerator pedal assembly or repair wiring.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →