P1C86 – PRNDL Display Circuit Current Out Of Range

P1C86 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1C86 Possible Causes

Faulty PRNDL Display,PRNDL Display harness is open or shorted,PRNDL Display circuit poor electrical connection,Faulty Transmission Control Module (TCM),Faulty Shifter Lever Assembly

P1C86 Description

The Gear Shift Module (GSM) / Electronic Shift Module (ESM) performs various internal tests to verify proper controller operation. This DTC indicates that there is an issue with the Shifter’s PRNDL display operation or improper TRS messages from the Transmission Control Module (TCM).