Reduced Engine Performance

Bulletin number

122914

Component

Engine and engine cooling

Summary

Reduced Engine Performance. When driving with high outside ambient temperatures, repeated stop and go, or high-load operation over longer distances, the engine performance can be reduced. The air-conditioning system blower output may also be reduced, and in some circumstances, the compressor is switched off. One or both of the following faults are stored in the DME: 1A2108: Electric fan, self-diagnosis, interval stage 1: Minor fan fault 241400: Electric fan, diagnosis feedback 1: Fan slightly stiff The Service Engine Soon lamp (MIL) would not be illuminated in these situations. 1. A DME software error in the control of the 600W electric fan over-boost or high speed function 2. The electric cooling fan design was not robust enough for continuous over-boost or high-speed operation.

Owners of these vehicles have filed 443 complaints in the engine category.