OBD Guide

P1F0B

A/C Compressor Motor Start-Up Current Performance

P1F0B is an OBD-II diagnostic trouble code meaning: A/C Compressor Motor Start-Up Current Performance. Common causes: compressor motor malfunction, problems with wiring or connectors. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Air conditioner doesn't work
  • Increased noise from the compressor when turned on
  • The air conditioning indicator is flashing
  • Reduced cooling efficiency
  • Air conditioning system protection triggered

Causes

  • Compressor motor malfunction
  • Problems with wiring or connectors
  • Compressor control module malfunction
  • Low refrigerant level
  • Mechanical damage to the compressor

How to Fix

  1. Check the refrigerant level in the system
  2. Diagnose the electrical circuit of the compressor
  3. Check the operation of the control module
  4. Test the compressor motor
  5. If necessary, replace the air conditioning compressor

Related codes

FAQ

What does the P1F0B code mean?

P1F0B is an OBD-II diagnostic trouble code that indicates: A/C Compressor Motor Start-Up Current Performance

What causes a P1F0B error code?

The most common causes of P1F0B include: Compressor motor malfunction; Problems with wiring or connectors; Compressor control module malfunction; Low refrigerant level.

How do I fix a P1F0B diagnostic trouble code?

To fix P1F0B: Check the refrigerant level in the system. Diagnose the electrical circuit of the compressor. Check the operation of the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1F0B?

Yes, but get it checked soon

How much does it cost to fix P1F0B?

The estimated repair cost for P1F0B is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat