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P2138
Posted to Technical Discussion Forum on 8/8/2020 35 Replies

Got an interesting one here.

The shop has replaced the ECM and the APP twice (all NEW OEM from the dealer) to try and cure the code...

I checked the Low ref and the VREF to the APP, and found no issues. All volt-dropped just fine. VREF is a solid 4.96 on b... Login to read more.

35 Replies Received (View Replies)

 

car Vehicle Data

2012 Chevrolet Sonic LT 1.8L

Engine1.8 L
Trans6-speed Automatic (Electronic)

car Vehicle Data

2012 Chevrolet Sonic LT 1.8L

Engine1.8 L
Trans6-speed Automatic (Electronic)