OBD Guide
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B272B

Passenger Back Over-Temp Detected

B272B is an OBD-II diagnostic trouble code meaning: Passenger Back Over-Temp Detected. Common causes: heating element malfunction, temperature sensor damage. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Switching off the seat heating
  • Error indication on the dashboard
  • Local seat overheating

Causes

  • Heating element malfunction
  • Temperature sensor damage
  • Short circuit in wiring harness
  • Control unit malfunction

How to Fix

  1. Carry out diagnostics of the wiring harness and contacts
  2. Check the resistance of the heating element
  3. Check temperature sensor readings
  4. If necessary, replace faulty components

Related codes

B272AB272C

FAQ

What does the B272B code mean?

B272B is an OBD-II diagnostic trouble code that indicates: Passenger Back Over-Temp Detected

What causes a B272B error code?

The most common causes of B272B include: Heating element malfunction; Temperature sensor damage; Short circuit in wiring harness; Control unit malfunction.

How do I fix a B272B diagnostic trouble code?

To fix B272B: Carry out diagnostics of the wiring harness and contacts. Check the resistance of the heating element. Check temperature sensor readings. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B272B?

Yes, but get it checked soon

How much does it cost to fix B272B?

The estimated repair cost for B272B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat