OBD-II code · Powertrain (generic, extended)
P2D2A Hybrid/EV Electronics Coolant Temperature Sensor A/B Correlation
The signals of the hybrid electronics coolant temperature sensors A and B do not correlate within the calibrated tolerance. One sensor drifts or installation offset between channels.
Is it safe to drive with P2D2A?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOne sensor characteristic drifted
- PossibleHarness incorrectly swapped between channels
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Hybrid Electronics Coolant Temp Sensor A, Hybrid Electronics Coolant Temp Sensor B, Hybrid Control Module
Related codes
- P2D27Coolant Pump F Control Circuit Performance/Stuck Off
- P2D28Cold Start Propulsion Torque Performance
- P2D29A/C Compressor Motor Stalled
- P2D2BHybrid/EV Battery Pack Coolant Temperature Sensor A/B Correlation
- P2D2CEngine Coolant Temperature Measurement System - Multiple Sensor Correlation
- P2D2DCold Start Intake Manifold Runner Performance Bank 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.