OBD Guide
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B2651

Electric Compressor Inverter Overheat

B2651 is an OBD-II diagnostic trouble code meaning: Electric Compressor Inverter Overheat. Common causes: inverter fault, poor inverter cooling. Estimated repair cost: $111–333.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–333 (est.)

Symptoms

  • Turning off the air conditioning system
  • Reduced cooling efficiency
  • Hot inverter

Causes

  • Inverter fault
  • Poor inverter cooling
  • Compressor overload
  • Wiring Harness Problems

How to Fix

  1. Check the inverter cooling system
  2. Diagnose the inverter for faults
  3. Check wiring harness and connections
  4. Replace inverter if necessary

Related codes

B2650B2652

FAQ

What does the B2651 code mean?

B2651 is an OBD-II diagnostic trouble code that indicates: Electric Compressor Inverter Overheat

What causes a B2651 error code?

The most common causes of B2651 include: Inverter fault; Poor inverter cooling; Compressor overload; Wiring Harness Problems.

How do I fix a B2651 diagnostic trouble code?

To fix B2651: Check the inverter cooling system. Diagnose the inverter for faults. Check wiring harness and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2651?

Limited driving only, diagnose soon

How much does it cost to fix B2651?

The estimated repair cost for B2651 is $111–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat