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5V reference shorted to B+ through EFI No. 2, no ECM communi
Posted to Technical Discussion Forum on 10/22/2026 6 Replies

Hey guys,

Wondering if anything has come across this before. No communication with the ECM. All other modules on the network communicate normally. ECM has already been replaced by another shop and programmed when it intermittently ran and had communication. ... Login to read more.

6 Replies Received (View Replies)

 

car Vehicle Data

2007 Toyota Tundra SR5 5.7L

VIN 5TBBV54127
Engine5.7 L
Trans6-speed Automatic (Electronic)

car Vehicle Data

2007 Toyota Tundra SR5 5.7L

VIN 5TBBV54127
Engine5.7 L
Trans6-speed Automatic (Electronic)