Service bulletin LI54.21-P-076055
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10233788 |
| Published by NHTSA | 2023-04-05 |
| Manufacturer's number | LI54.21-P-076055 |
| Manufacturer's date | 2023-03-15 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
Complaint Check engine light activated Fault codes stored in AMG Drive Unit N145/1 (DRVU3) B1F9713 U015400 U188D00 Cause Timing variance on wakeup of ethernet control units Remedy A solution is in development for listed faults in AMG drive unit (DRVU3). Clear fault codes and perform 2 drive cycles allowing vehicle to sleep in between drives. If no fault codes or malfunctions occur, the vehicle can be released to the owner. Note: These fault codes will not lead to other malfunctions or damage to the vehicle.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
Trouble codes named
B1F97, U0154, U188D
| MERCEDES-BENZ AMG C43 | 2023 |
|---|---|
| MERCEDES-BENZ C 300 | 2023 |
| MERCEDES-BENZ S 500 | 2023 |
| MERCEDES-BENZ S 580 E | 2023 |
| MERCEDES-MAYBACH S 580 4MATIC | 2023 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.