P2D2A
Hybrid/EV Electronics Coolant Temperature Sensor A/B Correlation
P2D2A is an OBD-II diagnostic trouble code meaning: Hybrid/EV Electronics Coolant Temperature Sensor A/B Correlation. Common causes: coolant temperature sensor a or b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $22–89.
Symptoms
- The malfunction indicator light comes on
- Hybrid system power reduction
- Incorrect temperature readings on the dashboard
- Activation of emergency operation
- Increased noise of the cooling system
Causes
- Coolant temperature sensor A or B malfunction
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Problems with the hybrid system ECU
- Low coolant level
How to Fix
- Check the level and condition of the coolant
- Test resistance and signals of temperature sensors
- Inspect wiring and connectors for damage
- Replace faulty temperature sensor
- Check and, if necessary, update the software of the hybrid system ECU
Related codes
Error P2D2A by Vehicle Brand
FAQ
What does the P2D2A code mean?
P2D2A is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Electronics Coolant Temperature Sensor A/B Correlation
What causes a P2D2A error code?
The most common causes of P2D2A include: Coolant temperature sensor A or B malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Problems with the hybrid system ECU.
How do I fix a P2D2A diagnostic trouble code?
To fix P2D2A: Check the level and condition of the coolant. Test resistance and signals of temperature sensors. Inspect wiring and connectors for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D2A?
Do not drive — repair immediately
How much does it cost to fix P2D2A?
The estimated repair cost for P2D2A is $22–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat