OBD Guide
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P1482

Cooling Fan Circuit Condition

P1482 is an OBD-II diagnostic trouble code meaning: Cooling Fan Circuit Condition. Common causes: fan relay fault, open or short circuit in the circuit. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Engine overheating at low speeds
  • Cooling fan does not turn on
  • The fan runs constantly
  • Check engine light comes on
  • Reduced engine power when overheated

Causes

  • Fan relay fault
  • Open or short circuit in the circuit
  • Problems with the coolant temperature sensor
  • Engine control unit malfunction
  • Wiring harness damage

How to Fix

  1. Check fuses and fan relays
  2. Diagnose the control circuit for opens and short circuits
  3. Check the operation of the coolant temperature sensor
  4. Test the engine control unit
  5. Replace damaged circuit components

Related codes

P0480P0481P0691

Error P1482 by Vehicle Brand

DodgeFordJeepLincolnMercedes-BenzMercuryPlymouthPontiac

FAQ

What does the P1482 code mean?

P1482 is an OBD-II diagnostic trouble code that indicates: Cooling Fan Circuit Condition

What causes a P1482 error code?

The most common causes of P1482 include: Fan relay fault; Open or short circuit in the circuit; Problems with the coolant temperature sensor; Engine control unit malfunction.

How do I fix a P1482 diagnostic trouble code?

To fix P1482: Check fuses and fan relays. Diagnose the control circuit for opens and short circuits. Check the operation of the coolant temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1482?

Limited driving only, diagnose soon

How much does it cost to fix P1482?

The estimated repair cost for P1482 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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