P0D55 describes an output current signal from the charger that flickers, jumps or briefly drops out rather than tracking the regulated charging current. No manufacturer documents P0D55 publicly. GM and Mitsubishi publish only fixed limits (P0D53 and P0D54) and, at Mitsubishi, a zero-point test (P0D52) for this sensor; a sudden step that returns to normal would not necessarily trip those. CARB's charger requirement for plug-in hybrids is the regulatory basis for monitoring the signal at all. Typical triggers are intermittent internal contacts, solder fatigue from heat cycles during charging, or electrical noise from the charger's switching stage. The likely result is charging that stops and restarts or finishes much later than expected.
High severity. Can I keep driving?If the car still runs, drive as little as possible and go to a specialized repair shop. Do not touch the orange cables: they carry high voltage.
Symptoms
- Charging pauses and resumes repeatedly
- Charging takes much longer than usual
- Occasional charging system warning
Most likely causes
- Intermittent contact in the current measuring path of the charger
- Solder joints fatigued by charging heat cycles
- Switching noise coupling into the sensor signal
What to check, in order
Start with the simplest. You can tick off each step.
What each character of P0D55 means
- P: Powertrain: engine and transmission
- 0: Generic code: same on every make
- D: Subsystem depends on the code range
- 55: Specific fault in that system
Frequently asked questions
Can I keep driving with code P0D55?
If the car still runs, drive as little as possible and go to a specialized repair shop. Do not touch the orange cables: they carry high voltage.
What causes code P0D55?
The most common causes are: intermittent contact in the current measuring path of the charger; solder joints fatigued by charging heat cycles; switching noise coupling into the sensor signal.
Related codes
- P0D51Battery Charger Hybrid/EV Battery Output Current Sensor Circuit
- P0D52Battery Charger Hybrid/EV Battery Output Current Sensor Circuit Range/Performance
- P0D53Battery Charger Hybrid/EV Battery Output Current Sensor Circuit Low
- P0D54Battery Charger Hybrid/EV Battery Output Current Sensor Circuit High
- P0D50Battery Charger Hybrid/EV Battery Output Voltage Sensor Circuit Intermittent/Erratic
Sources
- law.cornell.edu: 13 CCR 1968.2
- gsi.ext.gm.com: 14OBDG01 Hybrid Diagnostics
- mitsubishitechinfo.com: M154950440001400USA
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.