OBD Guide

P1CF3

Battery Temperature Sensor Out Of Range Low

P1CF3 is an OBD-II diagnostic trouble code meaning: Battery Temperature Sensor Out Of Range Low. Common causes: battery temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $6–28.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • Incorrect battery charge voltage
  • Battery fault warning on the dashboard
  • Reduced charging system efficiency
  • Problems starting the engine in cold weather

Causes

  • Battery temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Malfunction of the electrical system control unit
  • Lack of electrolyte in the battery

How to Fix

  1. Check the resistance of the temperature sensor at different temperatures
  2. Inspect the sensor circuit for breaks and short circuits
  3. Check the contacts in the sensor and control unit connector
  4. If necessary, replace the battery temperature sensor
  5. Check the electrolyte level in the battery (for serviced batteries)

Related codes

FAQ

What does the P1CF3 code mean?

P1CF3 is an OBD-II diagnostic trouble code that indicates: Battery Temperature Sensor Out Of Range Low

What causes a P1CF3 error code?

The most common causes of P1CF3 include: Battery temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Malfunction of the electrical system control unit.

How do I fix a P1CF3 diagnostic trouble code?

To fix P1CF3: Check the resistance of the temperature sensor at different temperatures. Inspect the sensor circuit for breaks and short circuits. Check the contacts in the sensor and control unit connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1CF3?

Limited driving only, diagnose soon

How much does it cost to fix P1CF3?

The estimated repair cost for P1CF3 is $6–28. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat