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C0300

Overview

Code

C0300

Code Type

C

Code Class

C0

System

ABS

Severity Level

Medium

Emissions Related

false

Drivability Impact

Minor

Diagnostic Protocol

OBD2

Freeze Frame Useful

false

Code Definition

Diagnostic trouble code C0300 indicates a malfunction in the transfer case control system

Symptoms

AWD warning light; 4WD not engaging

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

AWD/4WD control system

Possible Causes

Control module fault; Wiring issues

Diagnostic Steps

1 Scan transfer case module; 2 Inspect wiring and connectors; 3 Test transfer case actuator; 4 Replace module if faulty

Drive Safety Notes

AWD function may be disabled

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