P0A92 on RAM: How to Diagnose & Fix
Hybrid Generator Performance
1 RAM model · 1 documented issue · 1 critical
P0A92 on RAM by model: symptoms, diagnosis and fix
Bulletin 08-014-21 concerns an incompletely seated MGU connector on a bounded group of 5.7L eTorque trucks. It lists loss of 12V charging, possible check-engine/low-battery lights, and a stall with no restart after driving. The illustration does not demonstrate a failed bearing, belt or 48V battery. North American 2020–2021 Ram 1500 DT with 5.7L EZL eTorque, built June 11–November 14, 2020 inclusive, and on the applicable RRT 21-019 VIN list. The RRT expired 18 months after January 27, 2021; historical eligibility is not a current promise of free repair.
How to Fix
Have a qualified Ram technician verify the VIN and diagnose the documented charging/stall concern using bulletin 08-014-21. Record and repair other DTCs or symptoms first. For a qualified vehicle the procedure replaces the MGU (historical part 68438054AC; confirm current supersession and fitment), then clears DTCs. Merely reseating the connector or replacing the 48V battery is not the specified bulletin remedy. Separate bearing-noise, belt and battery reports need their own diagnosis and source scope. Do not deliberately reproduce a stall on the road; follow the prescribed electrical isolation and service procedure.
Call to confirm they can assess your vehicle and perform the stated work. Search results do not confirm qualification, eligibility or coverage.
Sources for this issue (1)
P0A92 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P0A92 mean on a RAM?
P0A92 stands for "Hybrid Generator Performance." The hybrid generator (motor-generator) is not performing as expected — output does not match command. Affects engine starting and HV battery charging. On RAM it is documented across 1 model: 1500.
What are the most common causes of P0A92?
The most common causes of P0A92 are: Failing generator, Inverter/power-electronics issue, Resolver/current sensor fault, Wiring or cooling problem. The specific cause varies by vehicle.
How much does it cost to fix P0A92 on a RAM?
Repair costs vary widely with the root cause and RAM model; each issue on this page carries its own estimate where one is published.
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.