P1DFF
Battery Condition Monitor Module Relay B Stuck On
P1DFF is an OBD-II diagnostic trouble code meaning: Battery Condition Monitor Module Relay B Stuck On. Common causes: stuck monitoring module relay, short circuit in relay control circuit. Estimated repair cost: $17–89.
Symptoms
- Battery drains when parked for long periods of time
- Check engine light is on
- Problems starting the engine
- Unstable operation of electrical equipment
Causes
- Stuck monitoring module relay
- Short circuit in relay control circuit
- Battery monitoring module malfunction
- Wiring harness damage
- Module power problems
How to Fix
- Check the condition of the monitoring module relay
- Diagnose the relay control circuit for a short circuit
- Check the functionality of the battery monitoring module
- Inspect the wiring harness for damage
- If necessary, replace the relay or monitoring module
Related codes
FAQ
What does the P1DFF code mean?
P1DFF is an OBD-II diagnostic trouble code that indicates: Battery Condition Monitor Module Relay B Stuck On
What causes a P1DFF error code?
The most common causes of P1DFF include: Stuck monitoring module relay; Short circuit in relay control circuit; Battery monitoring module malfunction; Wiring harness damage.
How do I fix a P1DFF diagnostic trouble code?
To fix P1DFF: Check the condition of the monitoring module relay. Diagnose the relay control circuit for a short circuit. Check the functionality of the battery monitoring module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1DFF?
Limited driving only, diagnose soon
How much does it cost to fix P1DFF?
The estimated repair cost for P1DFF is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat