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 RAM20241500 TRXREPAIR AND DIAGNOSISHYBRID/ELECTRIC POWERTRAINTESTING AND DIAGNOSISHYBRID CONTROL PROCESSOR MODULE (HCP) - DTCS B21E3-00 TO P0AA2-00 - 1500DTC TROUBLESHOOTINGP061B-00 INTERNAL CONTROL MODULE TORQUE CALCULATION PERFORMANCEDIAGNOSTIC TEST
2024 Dodge and Ram 1500 TRX
Diagnostic Test
2024 Dodge and Ram 1500 TRXSECTION Diagnostic Test
READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN
- With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
- For future reference, with the scan tool, run and save a vehicle Scan Report and all related recorded data.
- With the scan tool, erase all DTCs.
- Turn the ignition off for a minimum of 10.0 seconds.
- Turn the ignition on.
- Using the When Monitored and Set Conditions above and recorded data, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Replace the Motor Generator Unit (MGU) in accordance with the service information. Refer to 3.6L MOTOR GENERATOR UNIT (MGU), REMOVAL AND INSTALLATION or 5.7L MOTOR GENERATOR UNIT (MGU), REMOVAL AND INSTALLATION .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Test complete.
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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.