OBD Guide

P2D43

A/C Compressor Motor Voltage B High

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Air conditioner doesn't work
  • Increased noise from the compressor
  • The air conditioning indicator is flashing
  • Overheating of electrical components

Causes

  • Compressor motor malfunction
  • Compressor relay problems
  • Short circuit in the circuit
  • Control unit malfunction
  • Wiring damage

How to Fix

  1. Check the voltage in the compressor motor circuit
  2. Inspect relays and fuses
  3. Check the condition of the wiring and connectors
  4. Test the compressor motor
  5. If necessary, replace faulty components

Related codes

Error P2D43 by Vehicle Brand