Service bulletin LI32.35-P-079752

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.

NHTSA's summary

Complaint Shock symbol in instrument cluster with "Do Not Drive Over 50MPH" message AND DTC's in A108/2 or A108/3: U013281 - Communication with control unit "Suspension" has a malfunction. Incorrect data were received. C156F00 - The signal values of the level sensors are implausible. Cause Physical layer wiring to the level control sensors B22/X. Remedy Check A108/2 and A108/3 for freeze frame data section "ZF_error_handler". The text will provide a good place to start. Example: "SPC_FEHLER_VehLvl_Stat_HP_AMG_AR2_SNA_VehLvl_RR_V2_AMG" indicates the Right Rear may have initiated the DTC. See attached picture for reference. Use Hioki to measure wiring to all four level sensors. Use above DTC freeze frame data to inspect specific wiring. In some instances, level sensors may rectify concern although wiring to a different level sensor may be the cause. If vehicle exhibits concern after all of the above is completed, please open a TIPS case to the Body, Chassis, Entertainment Inbox.

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

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

Suspension

Trouble codes named

C156F, U0132

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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