Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2024PROMASTER 3500 BASE, CUTAWAYREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 32 (BATTERY PACK CONTROL MODULE (BPCM) - DTCS P1A21-00 TO P1E1A-00)
2024 Dodge and Ram ProMaster 3500 Base, Cutaway
Section 32 (Battery Pack Control Module (BPCM) - DTCS P1A21-00 To P1E1A-00)
2024 Dodge and Ram ProMaster 3500 Base, CutawaySECTION Section 32 (Battery Pack Control Module (BPCM) - DTCS P1A21-00 To P1E1A-00)
WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.
- DTC Troubleshooting
- P1A21-00 HV Battery Contactor Control Sequence Incorrect
- P1A29-00 Cell Supervisory Circuit A Failure
- P1A9A-00 Hybrid/EV Battery Temperature Sensor 1 Out Of Range Low
- P1A9B-00 Hybrid/EV Battery Temperature Sensor 1 Out Of Range High
- P1AE2-00 Battery Energy Control Module High Voltage System Interlock Circuit
- P1AE3-00 Battery Energy Control Module High Voltage System Interlock Circuit Low
- P1AE4-00 Battery Energy Control Module High Voltage System Interlock Circuit High
- P1C00-00 Hybrid/EV Battery Voltage Sense 1 Out Of Range Low
- P1C01-00 Hybrid/EV Battery Voltage Sense 1 Out Of Range High
- P1DAF-00 Incompatible Limp In Action Requested
- P1E15-00 Battery Current Sensor
- P1E1A-00 Hybrid/EV Battery Control Board Hardware Performance
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.