P2115 serious

Throttle Position Sensor/Switch 'D' Circuit

The P2115 code means the vehicle's onboard diagnostic system has detected: Throttle Position Sensor/Switch 'D' Circuit. This is a serious severity code.

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Keep driving?: Short distances only
DIY difficulty: Moderate
Estimated cost: $150 - $400 (parts and labor)

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Common Symptoms

Check Engine Light illuminated
Erratic or fluctuating idle speed
Poor throttle response
Vehicle may enter reduced power mode
Hesitation during acceleration

Probable Causes (Ranked by Likelihood)

Faulty throttle position sensor D High
Corroded or damaged TPS connector pins High
Wiring fault in TPS D circuit (open or short) Medium
PCM/ECM internal circuit failure Low
Poor ground connection at sensor Medium

Step-by-Step Diagnostic Procedure

Scan for codes and review freeze frame data for P2115
Monitor TPS D voltage using a scan tool - should change smoothly from closed to wide open throttle
Inspect TPS connector and wiring for corrosion, damage, or loose pins
Check TPS D reference voltage (typically 5V) and ground circuit
Compare TPS D readings with TPS A/B/C readings for consistency

Frequently Asked Questions

What does P2115 mean?

P2115 indicates a general malfunction in the throttle position sensor D circuit. The PCM has detected a signal from the TPS D sensor that is outside the expected range or is erratic.

Can I drive with P2115?

You can drive short distances but the vehicle may have reduced power and poor throttle response. Extended driving could cause driveability issues. Get it diagnosed soon.

How much does it cost to fix P2115?

Repairs typically cost $150 to $400. A standalone TPS replacement is $75-$200 for parts and labor. If the throttle body needs replacement, costs increase to $300-$600.