Generator Voltage Sense Circuit
Table of contents
P063A JEEP Possible Causes
- Faulty Alternator
- Alternator harness is open or shorted
- Alternator circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How do I fix code P063A JEEP?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P063A JEEP code
The cost of diagnosing the P063A JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Battery Charge Warning Light ON
P063A JEEP Description
The Powertrain Control Module (PCM) monitors the Generator (Alternator) voltage output. The PCM sets the OBDII code if the alternator output voltage is less than the Battery feed circuit voltage.