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HOMESERVICE MANUALSDODGE AND RAM2024PROMASTER 3500 BASE, CUTAWAYREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 31 (BATTERY PACK CONTROL MODULE (BPCM) - DTCS P0E2F-00 TO P1A20-00)DTC TROUBLESHOOTINGP1A20-00 BATTERY ENERGY CONTROL MODULE HYBRID BATTERY SYSTEM PRECHARGE TIME TOO LONGDIAGNOSTIC TEST
2024 Dodge and Ram ProMaster 3500 Base, Cutaway

Diagnostic Test

2024 Dodge and Ram ProMaster 3500 Base, CutawaySECTION Diagnostic Test
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.
WARNING:

On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury.

Read the HIGH-VOLTAGE SAFETY PROCEDURES. Refer to  HIGH VOLTAGE SAFETY PROCEDURES  . 

When the HIGH-VOLTAGE POWER-DOWN PROCEDURE is necessary. Refer to  VEHICLE HIGH VOLTAGE POWER DOWN  . 

Repair any Low or High Voltage DTCs in BPCM, IDCM, MCPA(B) or EVCU before proceeding and recheck operation. Refer to  DIAGNOSTIC CODE INDEX  . 

NOTE: After any repair, perform the Battery Pack Control Module (BPCM) verification test to verify the repair.
  1. Are DTC's P0C77-00, P0C78-00 or P2C89-00 present?
    1. If yes, repair these DTC's first according to the service information.
    2. If no problem was found, continue to step 2. 
  2. Perform the Loss of Isolation Test. Refer to HIGH VOLTAGE LOSS OF ISOLATION TEST PROCEDURE .
    1. If a problem was found with the HV isolation, repair according to the service information.
    2. If no problem was found, continue to step 3. 
  3. Replace the High Voltage Battery in accordance with the Service Information. Refer to HIGH VOLTAGE BATTERY, REMOVAL AND INSTALLATION .
RENDER: 1.0x

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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.