P0D09: Battery Charging System Positive Contactor A Stuck Open

P0D09 is set when positive charging contactor A fails to close: after the command the expected voltage never shows up on the charger side. GM documents the check for the Chevrolet Volt (VICM 2016, HPC2 2019): during charger precharge, with charging and precharge contactors on and the negative main contactor still off, a charger voltage under 10 V ends the test; 2016 needs 8 failing samples out of 9, 2019 waits for at least 0.7 s of precharge. Both are Type A, MIL after one trip. Kia lists P0D0972 for the 2023 Niro EV (bulletin 298, ICCU replacement), Stellantis P0D09 for Wagoneer S and Charger Daytona (BPCM update), GM preliminary PIT6083 for the 2024 Lyriq after very long charging. Charging then stops or never starts; the welded case is P0D08.

Symptoms

• Charging does not start or ends shortly after plugging in
• Malfunction indicator lamp after one trip (GM Type A)
• Charging or high-voltage warning in the cluster

Most likely causes

• Contactor mechanically failing to close or burnt contacts
• Fault in the on-board charger or integrated charging unit (Kia ICCU bulletin)
• Control software needing an update (Stellantis, GM Lyriq)
• Missing coil supply because of a wiring or fuse fault

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 continuity of the wire between the component and the control module.
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 P0D09 means

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

Frequently asked questions

Can I keep driving with code P0D09?

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 P0D09?

The most common causes are: contactor mechanically failing to close or burnt contacts; fault in the on-board charger or integrated charging unit (Kia ICCU bulletin); control software needing an update (Stellantis, GM Lyriq).

Related codes

• P0D07Battery Charging System Positive Contactor A Circuit
• P0D08Battery Charging System Positive Contactor A Stuck Closed
• P0D0ABattery Charging System Positive Contactor A Control Circuit/Open
• P0D10Battery Charging System Negative Contactor A Stuck Open
• P0D26Battery Charger System Precharge Time Too Long
• P0AA2Hybrid/EV Battery Positive Contactor Circuit Stuck Open

Sources

• gsi.ext.gm.com: 16OBDG01 Hybrid Diagnostics
• gsi.ext.gm.com: 19OBDG01 Hybrid Diagnostics
• static.nhtsa.gov: MC 10242579 0001
• static.nhtsa.gov: MC 11026756 0001

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.