top of page

P0803

Overview

Code

P0803

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 P0803 indicates a malfunction in the transmission control circuit

Symptoms

Slipping transmission Rough shifting

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

Transmission control system

Possible Causes

Faulty transmission control circuit Wiring issues

Diagnostic Steps

1 Inspect transmission control system2 Test the control circuit

Drive Safety Notes

Malfunctions in the transmission control circuit can affect shifting and drivability

bottom of page