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Re: P0641 VREF 1 low
Posted to Technical Theory Forum on 8/1/2018 15 Replies

OK, so this one is done, andit was very strange.

The issue was the FTP sensor wiring. The bizarre thing was the code did not change, despite changing the wiring from VREF 1 to VREF 2...the P0641 continued to set, regardless of the VREF supply...and the FTP v... Login to read more.

15 Replies Received (View Replies)