OBD-II code · Powertrain (generic)
P0E52 DC/DC Converter Current Sensor A Circuit Range/Performance
The ECM detects a range/performance fault on the dc/dc converter current sensor a circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0E52?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor characteristic drifted
- PossibleSensor mounting displaced
- Less likelySensor element aged beyond calibration window
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Dcdc Current Sensor A, Wiring Harness, Dcdc Converter
Related codes
- P0E9FDC/DC Converter Current Sensor B Circuit Range/Performance
- P0EA4DC/DC Converter Current Sensor C Circuit Range/Performance
- P0E4FMotor Electronics Coolant Pump A Control Circuit Intermittent/Erratic
- P0E50Motor Electronics Coolant Pump B Control Circuit Intermittent/Erratic
- P0E51DC/DC Converter Current Sensor A Circuit
- P0E53DC/DC Converter Current Sensor A Circuit Low
- P0E54DC/DC Converter Current Sensor A Circuit High
- P0E55DC/DC Converter Current Sensor A Circuit Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.