AutoCodes – GMC – P1F0C GMC

P1F0C GMC Code - Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage

Quick Answer

The AC compressor function is to provide refrigerant flow in the AC refrigerant loop to help cool down the cabin, help dehumidify the air in a defrost mode and help maintain the battery temperature. Common causes include Faulty A/C Compressor, A/C Compressor harness is open or shorted, A/C Compressor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1F0C GMC indicates Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage.
Common causes: Common causes include Faulty A/C Compressor, A/C Compressor harness is open or shorted, A/C Compressor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 728

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1F0C GMC Description

The AC compressor function is to provide refrigerant flow in the AC refrigerant loop to help cool down the cabin, help dehumidify the air in a defrost mode and help maintain the battery temperature. Rather than a more typical pulley, the A/C compressor uses a 3-phase alternating current, high voltage electric motor to operate. It has an on-board inverter that takes High Voltage direct current from the vehicle's High voltage battery and inverts it to alternating current for the motor. The AC compressor shall be activated when any of the three following events occur:
- The customer pushes the AC button
- The HVAC control, in AUTO mode, requests the electric AC compressor on to help in cooling the cabin or removing moisture in the defrost mode
- The High Voltage Battery Thermal System requests the AC compressor on to help maintain the battery temperature
The Hybrid/EV Powertrain Control Module 2 uses values from the A/C refrigerant pressure transducers, A/C refrigerant thermistor, duct temperature sensors, ambient air temperature sensor, passenger compartment temperature sensor, evaporator temperature sensor, battery cell temperature sensors, battery coolant temperature sensors and battery coolant pumps to determine the speed at which the compressor will operate. This message is sent from the Hybrid/EV Powertrain Control Module 2 to the A/C compressor control module via serial data message.
AC Compressor has a motor start up procedure that can take a variable length of time to run to bring the motor up to requested speed. Length of time is dependent on external conditions such as under-bonnet temperature and high side pressure. In hotter conditions, the motor start up time will be longer. The A/C compressor control module monitors an internal parameter known as the DC link current which is based off DC input current. It is not possible to measure this parameter externally.

OBDII Code P1F0C GMC - Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage - AutoCodes.com — P1F0C GMC Code - Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1F0C GMC?

Faulty A/C Compressor
A/C Compressor harness is open or shorted
A/C Compressor circuit poor electrical connection

How to Fix the DTC P1F0C GMC?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1F0C GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1F0C GMC Code

1. What are the common symptoms of OBDII code P1F0C in a GMC related to the Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage?

- Common symptoms include weak or no cold air coming from the air conditioning system, A/C compressor not engaging, and the A/C system not cooling the interior effectively.

2. What are some possible causes of OBDII code P1F0C in a GMC indicating Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage?

- Potential causes may include a faulty electric A/C compressor control module, issues with the A/C compressor motor, low voltage in the circuit, or damaged wiring/connectors.

3. How can I diagnose OBDII code P1F0C in my GMC for the Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage?

- Diagnosis typically involves using a scan tool to read the code, checking the voltage in the circuit, inspecting wiring and connectors for damage, and testing the A/C compressor motor and control module.

4. What are some repair tips for addressing OBDII code P1F0C in a GMC related to the Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage?

- Repair tips may include repairing or replacing damaged wiring/connectors, testing and replacing the A/C compressor motor if necessary, and replacing the electric A/C compressor control module if it is found to be faulty.

5. Can I drive my GMC with OBDII code P1F0C indicating Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage?

- It is not recommended to drive the vehicle with this code present, as it can lead to poor A/C performance and discomfort while driving. It is best to address the issue promptly to ensure proper cooling.

6. Is it possible to reset OBDII code P1F0C in a GMC for the Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage?

- While you can clear the code with a scan tool, it is important to diagnose and repair the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code P1F0C in a GMC related to Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve expenses for parts such as the control module or compressor motor, labor costs, and diagnostic fees.

8. Are there any recalls or technical service bulletins related to OBDII code P1F0C in GMC vehicles for the Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage?

- It is recommended to check with a GMC dealership or online resources for any relevant recalls or technical service bulletins related to this specific OBDII code to stay informed about potential solutions or updates.

9. Can a DIY enthusiast with automotive knowledge fix OBDII code P1F0C in a GMC for the Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage?

- Depending on the extent of the issue and the individual's expertise, some DIY enthusiasts may be able to address simpler aspects of the repair, such as checking wiring connections. However, more complex repairs may require professional assistance.

10. How important is it to address OBDII code P1F0C in a GMC indicating Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage promptly?

- It is crucial to address this code promptly to ensure the proper functioning of the A/C system, especially during hot weather when reliable cooling is essential for comfort and safety while driving.