OBD Guide
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B2652

Electric Compressor Inverter Overheat

B2652 is an OBD-II diagnostic trouble code meaning: Electric Compressor Inverter Overheat. Common causes: air conditioning system overload, insufficient inverter cooling. Estimated repair cost: $167–444.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–444 (est.)

Symptoms

  • Turning off the air conditioning system
  • Reduced cooling efficiency
  • Inverter hot when touched
  • Burning smell in the cabin

Causes

  • Air conditioning system overload
  • Insufficient inverter cooling
  • Cooling fan malfunction
  • Electrical wiring problems
  • Inverter defect

How to Fix

  1. Check the operation of the cooling fan
  2. Clean the radiator from dirt
  3. Check electrical wiring and connections
  4. Diagnose the inverter for faults
  5. Replace inverter if necessary

Related codes

B2651B2653P0532

FAQ

What does the B2652 code mean?

B2652 is an OBD-II diagnostic trouble code that indicates: Electric Compressor Inverter Overheat

What causes a B2652 error code?

The most common causes of B2652 include: Air conditioning system overload; Insufficient inverter cooling; Cooling fan malfunction; Electrical wiring problems.

How do I fix a B2652 diagnostic trouble code?

To fix B2652: Check the operation of the cooling fan. Clean the radiator from dirt. Check electrical wiring and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2652?

Limited driving only, diagnose soon

How much does it cost to fix B2652?

The estimated repair cost for B2652 is $167–444. Actual cost depends on your vehicle, location, and labor rates.

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