P2135 on Nissan: Throttle/Pedal Position Sensor Voltage Correlation
Severity: 3 of 4
Park it and arrange repair. This code often triggers reduced power mode, and an unpredictable throttle can make merging or passing dangerous. Have it towed or drive only a short slow distance if you must.
Estimate range covers the repairs listed below; see the cost breakdown. A flashing check engine light, a hot temperature gauge, or brakes that feel different mean stop driving and get help.
What P2135 usually means on a Nissan
Nissan electronic throttle bodies commonly set P2135. After cleaning or replacement, an idle relearn is often needed.
Most likely causes on Nissan vehicles
- Throttle body connector
- Throttle body
- Wiring
Order reflects cost and likelihood in general; your vehicle may differ. Confirm with testing before buying parts.
Nissan specific tips
- Perform the idle relearn procedure after any throttle work.
Estimated repair cost
This is an estimate, built from typical parts price ranges plus labor hours times an assumed shop rate of $110 to $190 per hour. Actual prices vary by vehicle, region, and shop. Diagnosis fees are often extra.
| Repair | Parts | Labor | Estimate (low / high) |
|---|---|---|---|
| Connector repair | $5 to $40 | 0.3 to 1.0 h | $5 + 0.3 × $110 = $38 $40 + 1.0 × $190 = $230 |
| Throttle body | $150 to $600 | 0.5 to 1.5 h | $150 + 0.5 × $110 = $205 $600 + 1.5 × $190 = $885 |
| Accelerator pedal sensor | $80 to $300 | 0.5 to 1.0 h | $80 + 0.5 × $110 = $135 $300 + 1.0 × $190 = $490 |
Costs are generic for this code; parts and labor on some Nissan models may run higher.
Watch a repair video
Search YouTube for “P2135 Nissan fix” videos. Pick a recent video that matches your engine, and confirm the diagnosis before buying parts.
Repair manuals
Step-by-step service manuals for Nissan with torque specs and wiring diagrams:
Haynes manuals for Nissan Chilton manuals
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Check Nissan recalls
Enter your VIN at the NHTSA recall lookup before paying for repairs.
FAQ
Is P2135 dangerous on a Nissan?
It can cause reduced power. Park it and arrange repair.
Read the full P2135 guide or more Nissan check engine notes.