Check engine lamp activated, coolant warning message, and engine fan running at full speed

Bulletin number

LI20.00-P-076708

Component

Engine and engine cooling

Summary

Check engine lamp activated, coolant warning message, and engine fan running at full speed. Below fault codes stored in N127 PTCU related to LIN network components. U063200, U063287, U02A900, U02A987, U0698E4, U0698E5, U02C800, U02C887, U063B00, U063B87 Under analysis. Create a TIPS case with findings of below checks. Include: • Initial quick test showing fault codes. • Details from owner on events leading up to symptoms Inspect wiring and connections (pins/sockets) for damage or corrosion at below components. -N127 -X25/7x1 -M4/7 Engine cooling fan -Y73/1 coolant directional control valve -M43/7 circulation pump 2 low-temperature circuit -M43/8 circulation pump 3 low-temperature circuit

Owners of these vehicles have filed 27 complaints in the engine category.