OBD Guide

P1FFB

Hybrid/EV Battery Pack Coolant Level Sensor Circuit

P1FFB is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Level Sensor Circuit. Common causes: coolant level sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced performance of the hybrid system
  • Error message on the dashboard
  • Battery overheating
  • Increased fuel consumption (in hybrid vehicles)

Causes

  • Coolant level sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor connection or corroded contacts
  • Low coolant level
  • Problems with the hybrid system control module

How to Fix

  1. Check the coolant level and add if necessary
  2. Inspect the sensor circuit for damage
  3. Check the connections and contacts of the sensor
  4. Test the coolant level sensor
  5. Replace sensor if necessary

Related codes

FAQ

What does the P1FFB code mean?

P1FFB is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Level Sensor Circuit

What causes a P1FFB error code?

The most common causes of P1FFB include: Coolant level sensor malfunction; Open or short circuit in the sensor circuit; Poor connection or corroded contacts; Low coolant level.

How do I fix a P1FFB diagnostic trouble code?

To fix P1FFB: Check the coolant level and add if necessary. Inspect the sensor circuit for damage. Check the connections and contacts of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FFB?

Yes, but get it checked soon

How much does it cost to fix P1FFB?

The estimated repair cost for P1FFB is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat