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P0821

Overview

Code

P0821

Code Type

P

Code Class

P0

System

Transmission

Severity Level

High

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0821 indicates a malfunction in the shift lever position sensor circuit

Symptoms

Harsh shifting Slipping transmission

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

Shift lever position sensor

Possible Causes

Faulty shift lever position sensor Wiring or connection issues

Diagnostic Steps

1 Inspect shift lever position sensor2 Test sensor circuit

Drive Safety Notes

Malfunctions in the shift lever position sensor can cause improper shifting behavior

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