Diagnostic Procedure

Vehicle position icon constantly leaves road, moves erratically, or is displayed very far from actual vehicle position

Symptom Troubleshooting Symptom Troubleshooting

Also check for

Navigation unit

Also check for

Internal defect in GPS antenna

Also check for

GPS antenna/cable

Also check for

Aftermarket metallic window tint

Also check for

PCM (speed and fuel pulses)

Also check for

Harness/fuses/switches