P0D52: Battery Charger Hybrid/EV Battery Output Current Sensor Circuit Range/Performance

P0D52 flags an output current reading that lies inside the sensor's range yet cannot be right. Mitsubishi documents the check for the 2022 Outlander PHEV as a zero-point test: while the PHEV-ECU has not granted charging, no current should leave the charger, so an absolute reading of 1.5 A or more lasting 1 s sets the code; charging is halted and the charger/DC-DC unit is replaced. Kia includes P0D52 in bulletin 298 for the 2023 Niro EV, where the active code calls for replacing the integrated charging unit (ICCU). GM's Volt does not use P0D52 and instead judges current plausibility through its power balance P0D5C. Electrical out-of-range faults are P0D53 and P0D54; the circuit code is P0D51.

Symptoms

• Poor or no AC charging
• MIL or electric system warning (Kia)
• DC fast charging may still work (Kia)

Most likely causes

• Zero point of the output current sensor has drifted
• Charger or integrated charging unit (Kia ICCU) failed
• Outdated charger software

What to check, in order

Start with the simplest. You can tick off each step.

1. Read the codes with a hybrid-compatible scanner and write down the freeze frame data
2. Compare the reading with other engine data while varying the engine speed.
3. Make sure the battery cooling air intake is clean
4. Check the 12 V auxiliary battery, which can also trigger warnings
5. Leave any high-voltage measurements to a specialized repair shop

What each character of P0D52 means

• P: Powertrain: engine and transmission
• 0: Generic code: same on every make
• D: Subsystem depends on the code range
• 52: Specific fault in that system

Frequently asked questions

Can I keep driving with code P0D52?

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 P0D52?

The most common causes are: zero point of the output current sensor has drifted; charger or integrated charging unit (Kia ICCU) failed; outdated charger software.

Related codes

• P0D51Battery Charger Hybrid/EV Battery Output Current Sensor Circuit
• P0D53Battery Charger Hybrid/EV Battery Output Current Sensor Circuit Low
• P0D54Battery Charger Hybrid/EV Battery Output Current Sensor Circuit High
• P0D55Battery Charger Hybrid/EV Battery Output Current Sensor Circuit Intermittent/Erratic
• P0D4DBattery Charger Hybrid/EV Battery Output Voltage Sensor Circuit Range/Performance
• P0D5CBattery Charger Hybrid/EV Battery Output Power Performance

Sources

• mitsubishitechinfo.com: M154950440001400USA
• static.nhtsa.gov: MC 10242579 0001
• law.cornell.edu: 13 CCR 1968.2

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.