OBD Guide

P1FFD

Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage

P1FFD is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage. 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 comes on
  • Reduced battery efficiency
  • Battery overheating
  • Incorrect coolant level readings
  • Reduced vehicle power

Causes

  • Coolant level sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the control module
  • Low coolant level

How to Fix

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

Related codes

FAQ

What does the P1FFD code mean?

P1FFD is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage

What causes a P1FFD error code?

The most common causes of P1FFD include: Coolant level sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the control module.

How do I fix a P1FFD diagnostic trouble code?

To fix P1FFD: Check coolant level. Inspect the sensor circuit for damage. Check the connectors and contacts of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FFD?

Yes, but get it checked soon

How much does it cost to fix P1FFD?

The estimated repair cost for P1FFD is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat