P2135 on Dodge: Symptoms, Causes & DIY Fix
Official technical diagnostic wire for fault code P2135 (P2135: Throttle/Pedal Position Sensor/Switch A / B Voltage Correlation) specifically affecting Dodge vehicles (Charger, Challenger, Durango, Hornet).
1. Symptoms of P2135 on Dodge
When the Engine Control Module (ECM/PCM) on your Dodge logs fault code P2135, drivers commonly observe:
2. Most Likely Causes on Dodge
Historical warranty claims and technical repair bulletins for Dodge point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Dodge
Interface with the diagnostic port or system console using verified scanning hardware. Record freeze-frame data, active sub-codes, and timestamps to isolate whether P2135 is static or intermittent. on Dodge vehicles (Charger, Challenger).
Visually inspect the physical component (Accelerator Pedal Sensor / TPS), connector pins, and associated wiring harnesses for signs of corrosion, thermal melting, or loose grounding clips. on Dodge vehicles (Charger, Challenger).
Measure reference voltages and resistance thresholds against manufacturer factory specifications. Replace any component failing nominal impedance tolerances. on Dodge vehicles (Charger, Challenger).
Install genuine OEM replacement hardware or execute registry / service commands. Ensure all mounting bolts are torqued to factory specifications. on Dodge vehicles (Charger, Challenger).
Erase the fault code from non-volatile memory. Perform a standard verification cycle (e.g. 15-minute mixed drive or system stress benchmark) to ensure monitors reset to 'Ready' state without recurrent fault flags. on Dodge vehicles (Charger, Challenger).
P2135 Guides by Dodge Model
Select your specific Dodge model below for exact OBD-II DLC port locations, wiring diagrams, and engine displacement specs:
Other Common Diagnostic Codes on Dodge
Troubleshoot other high-frequency Check Engine Light fault codes reported across Dodge vehicles:
4. Dodge P2135 FAQs
What causes code P2135 to trigger on a Dodge?
On Dodge vehicles, P2135 is most frequently caused by Component aging, oxidation, or degraded internal circuit element (Accelerator Pedal Sensor / TPS) or Wiring harness abrasion, loose terminal pin, or ground voltage float. Factory sensor degradation or wiring harness wear near the engine bay are common factors.
Can I safely drive my Dodge with code P2135?
No. Immediate shutdown / repair required to prevent permanent hardware destruction or total system lockup. Given that P2135 carries a Critical severity rating on Dodge vehicles, we advise performing diagnostic scanning via the OBD-II port before extended driving.
How much does it cost to fix P2135 on a Dodge?
DIY replacement parts typically range between $180 - $480 (DIY: $50 - $140). If serviced at an authorized Dodge dealership, expect an additional $120–$250 in professional labor based on their $120/hr hourly rate.