P2DA5
Coolant Heater A Supply Voltage Circuit
P2DA5 is an OBD-II diagnostic trouble code meaning: Coolant Heater A Supply Voltage Circuit. Common causes: open or short circuit in the heater power supply circuit, faulty heater relay or fuse. Estimated repair cost: $17–89.
Symptoms
- Extended engine warm-up time in cold weather
- Check Engine Light on Dashboard
- Reduced efficiency of the interior heater
- Possible problems with starting in severe frosts
Causes
- Open or short circuit in the heater power supply circuit
- Faulty heater relay or fuse
- Problems with the coolant heater itself
- Engine control unit malfunction
- Poor contact in heater circuit connectors
How to Fix
- Check heater circuit fuse
- Inspect wiring and connectors for damage
- Check the functionality of the heater relay
- Test the resistance of the heating element
- If necessary, replace the coolant heater
Related codes
Error P2DA5 by Vehicle Brand
FAQ
What does the P2DA5 code mean?
P2DA5 is an OBD-II diagnostic trouble code that indicates: Coolant Heater A Supply Voltage Circuit
What causes a P2DA5 error code?
The most common causes of P2DA5 include: Open or short circuit in the heater power supply circuit; Faulty heater relay or fuse; Problems with the coolant heater itself; Engine control unit malfunction.
How do I fix a P2DA5 diagnostic trouble code?
To fix P2DA5: Check heater circuit fuse. Inspect wiring and connectors for damage. Check the functionality of the heater relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2DA5?
Yes, but get it checked soon
How much does it cost to fix P2DA5?
The estimated repair cost for P2DA5 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat