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P2123

Overview

Code

P2123

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 P2123 indicates high input from the throttle position sensor

Symptoms

Sudden throttle changes

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 feedback

Possible Causes

Short to voltage

Diagnostic Steps

1 Inspect TPS wiring; 2 Measure signal voltage

Drive Safety Notes

Throttle response unpredictable

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