OBD Guide

P0A84

Hybrid/EV Battery Pack Cooling Fan 1 Control Circuit Low

P0A84 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Cooling Fan 1 Control Circuit Low. Common causes: open or short circuit in fan control circuit, fan motor malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Battery overheating message on the instrument panel
  • Noisy operation or lack of operation of the cooling fan
  • Reduced range of an electric vehicle

Causes

  • Open or short circuit in fan control circuit
  • Fan motor malfunction
  • Fan control relay problems
  • Malfunction of the hybrid system control unit
  • Poor contact in control circuit connectors

How to Fix

  1. Check the fan circuit fuse
  2. Check the integrity of the wiring harness to the fan
  3. Check the operation of the control relay
  4. Test the fan motor
  5. Scan the control unit for additional errors

Related codes

Error P0A84 by Vehicle Brand

FAQ

What does the P0A84 code mean?

P0A84 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Cooling Fan 1 Control Circuit Low

What causes a P0A84 error code?

The most common causes of P0A84 include: Open or short circuit in fan control circuit; Fan motor malfunction; Fan control relay problems; Malfunction of the hybrid system control unit.

How do I fix a P0A84 diagnostic trouble code?

To fix P0A84: Check the fan circuit fuse. Check the integrity of the wiring harness to the fan. Check the operation of the control relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0A84?

Limited driving only, diagnose soon

How much does it cost to fix P0A84?

The estimated repair cost for P0A84 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat