Back to 2018 Jeep Wrangler

2018 JEEP WRANGLER

3.6L V64WDAUTOMATICgas
14 active safety recalls on this vehicle — view recalls
Repairs183Labor505Torque3681Fluid9DTC922Battery0Maintenance0Recalls14
P2135critical severityPowertrain

Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation

on 2018 Jeep Wrangler 3.6L V6 · 4WD

What this code means

The dual throttle position sensors are reporting conflicting values, indicating a fault.

Symptoms

  • Limp mode
  • Reduced power
  • Check engine light
  • Erratic throttle response

Common causes

  • Failed TPS (built into throttle body)
  • Connector corrosion
  • Intermittent wiring
  • 5V reference circuit fault

Diagnostic steps

  1. Check TPS sensor A and B voltages
  2. Verify 5V reference
  3. Wiggle test wiring
  4. Check connector pins

Repair notes

Replace throttle body assembly (TPS is integrated). Check 5V reference shared with other sensors.

Other Powertrain codes on this vehicle

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