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P2120

Overview

Code

P2120

Code Type

P

Code Class

P0

System

Engine

Severity Level

Medium

Emissions Related

false

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P2120 indicates a malfunction in the throttle position sensor circuit

Symptoms

Hesitation

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Throttle position monitoring

Possible Causes

TPS failure

Diagnostic Steps

1 Monitor TPS signal; 2 Inspect wiring

Drive Safety Notes

Throttle response inconsistent

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