Rick's Free Auto Repair Advice

Posts Tagged: U0101

Instrument panel blinking Chevrolet Equinox

Instrument panel blinking, trouble codes U0001, U0101, U0121, U0140, U2107, U2105 and U2106. parking light and headlight relays are clicking, Chevrolet Equinox Shops report that instrument panel  blinking, trouble codes U0001, U0101, U0121, U0140, U2107, U2105 and U2106. parking light and headlight relays are clicking, on a Chevrolet Equinox can be caused by a bad ground at the negative battery cable-to-body location. Remove the connection and clean it. Then apply dielectric grease and reassemble. © 2012 Rick Muscoplat

U0101

U0101 Lost Communication with TCM This generic “U” code applies to all car makers and indicates that the PCM has lost communication with the transmission control module (TCM). This is usually the result of a problem on the data line linking the modules. © 2012 Rick Muscoplat


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