Wrench light on
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Junior Member
Joined: Mar 2019
Posts: 2
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Wrench light on
Just new here in site.
So i replaced my truck with a used transmission because the previous transmission was burn out.
i programmed the PCM to latest calibration it run smooth but after a month a wrench light on showed up but when i cycle the key the wrench light gone. Checked for code,
U0100(TCM)=lost communication with PCM
U0102(TCM)=lost communication with transfer case module
u2022-20(IC)=fault received with external node
U0423:68(HVAC)=invalid data received from Ipc.
I just bought this truck and i have a lots of trouble. Do i have a problem with communication network or may be the transmission that i put on. Please give me some advice. Thanks.
So i replaced my truck with a used transmission because the previous transmission was burn out.
i programmed the PCM to latest calibration it run smooth but after a month a wrench light on showed up but when i cycle the key the wrench light gone. Checked for code,
U0100(TCM)=lost communication with PCM
U0102(TCM)=lost communication with transfer case module
u2022-20(IC)=fault received with external node
U0423:68(HVAC)=invalid data received from Ipc.
I just bought this truck and i have a lots of trouble. Do i have a problem with communication network or may be the transmission that i put on. Please give me some advice. Thanks.
