P063F OBD-II: Auto Configuration Engine Coolant Temperature Input not Present

P063F Severity

Urgent

Should you fix P063F yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

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P063F Summary Find a Repair Shop P063F Details Ask RepairPal CarGenius Other OBD-II Codes

What causes OBD-II fault code P063F?

The engine control module (PCM) has failed its own self-test. The PCM will set code P063F.

OBD II Fault Code

OBD II P063F

OBD-II Code Engine may not start is defined as a Auto Configuration Engine Coolant Temperature Input not Present

The engine control module (PCM) has failed its own self-test. The PCM will set code P063F.

Engine may not start Symptoms

Engine may not start

Common Problems That Trigger the P063F Code

Powertrain Control Module (PCM) failure
Powertrain Control Module (PCM) software needs to be updated
Wiring issue

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Other OBD-II Codes

P063E: Auto Configuration Throttle Input not Present P063D: Generator Voltage Sense Circuit High P063C: Generator Voltage Sense Circuit Low P063B: Generator Voltage Sense Circuit Range/Performance P063A: Generator Voltage Sense Circuit P0639: Throttle Actuator Control Range/Performance P0638: Throttle Actuator Control Range/Performance P0637: Power Steering Control Circuit High P0636: Power Steering Control Circuit Low P0635: Power Steering Control Circuit P0634: PCM/ECM/TCM Internal Temperature "A" Too High P0633: Immobilizer Key not Programmed - ECM/PCM P0640: Intake Air Heater Control Circuit P0641: Sensor Reference Voltage "A" Circuit/Open P0642: Sensor Reference Voltage "A" Circuit Low P0643: Sensor Reference Voltage "A" Circuit High P0644: Driver Display Serial Communication Circuit P0645: A/C Clutch Relay Control Circuit P0646: A/C Clutch Relay Control Circuit Low P0647: A/C Clutch Relay Control Circuit High P0648: Immobilizer Lamp Control Circuit P0649: Speed Control Lamp Control Circuit P064A: Fuel Pump Control Module P064B: PTO Control Module

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