Transmission Controls With PCM
DTC PARAMETERSDTC 34 is set when information from the PCM/EC is not being received by the PCM/TC.
^ Some PDT or SSS tests such as a QDM test, PCM reprogramming, or adaptive reset may cause DTC 34 to set.
TEST DESCRIPTION
IMPORTANT: Record all PCM diagnosis diagnostic trouble codes/information flags and include with repair order.
^ Clear all diagnostic trouble codes/information flags, test drive the vehicle and if DTC 34 resets, replace the PCM.