Computers and Controls - BCM Replacement Precautions

XL7

Section Title: Control Systems
TSB No. TS 04 04277

Division: Automotive
Category: Technical

SUBJECT:
BCM REPLACEMENT PRECAUTIONS

MODEL(S):
XL7 (JC636)

YEAR:
2007

CONDITION:
If the BCM connectors are not installed in the correct order damage to the BCM may occur. Other systems controlled by the BCM may also become inoperative or intermittent.





APPROPRIATE ACTION:
Disconnect the battery negative terminal before removing any BCM connectors. First disconnect all BCM connectors except the light blue C-3 ground connector. Then disconnect the light blue C-3 ground connector last. When installing the BCM connect all connectors before the light blue C-3 ground connector. Reconnect the battery negative terminal after all connectors to the BCM are connected.





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