P0D83: Battery Charger Input Circuit High

P0D83 is set when the charger reads its input circuit above the highest electrically valid level, i.e. a reading the measuring stage could not produce from a healthy mains connection. No manufacturer publishes a threshold for it. Likely culprits are a sense line shorted to a voltage source, a damaged inlet whose pins bridge to one another, or a measuring channel in the charger that has drifted or failed. P0D28 should be kept apart: it rates a real mains voltage above what the charger accepts, whereas P0D83 doubts the signal itself; P0D40 is the matching fault of the separate input voltage sensor. Because the charger cannot trust the reading, it normally refuses to convert power, so the battery stays uncharged while driving is unaffected.

Symptoms

• Charger refuses to charge
• Charging fault message

Most likely causes

• Input sense line shorted to a voltage source
• Damaged charge inlet with bridged or burnt contacts
• Drifted or failed measuring channel in the charger

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. Check the sensor's ground and make sure the signal wire is not receiving voltage from another circuit.
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 P0D83 means

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

Frequently asked questions

Can I keep driving with code P0D83?

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 P0D83?

The most common causes are: input sense line shorted to a voltage source; damaged charge inlet with bridged or burnt contacts; drifted or failed measuring channel in the charger.

Related codes

• P0D80Battery Charger Input Circuit/Open
• P0D81Battery Charger Input Circuit Range/Performance
• P0D82Battery Charger Input Circuit Low
• P0D84Battery Charger Input Circuit Intermittent/Erratic
• P0D28Battery Charger Input Voltage Too High
• P0D40Battery Charger A Input Voltage Sensor A Circuit High

Sources

• law.cornell.edu: 13 CCR 1968.2
• fordservicecontent.com: OBDSM1801 HEV 2018
• en.wikipedia.org: SAE J1772

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.