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U0121 Diagnostic Trouble Code Discussion for October 2009

Lost Communication With EBCM


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Trouble Ticket Help Requests for DTC U0121
Help Request Posted
2005 Chevrolet Equinox LS 3.4L Stall, MIL Lamp on VIN: 2CNDL23FX5
U0121: loss communication with ebcm. ... stored u2100,u1000,p1626,u0140, u0121. vehicle does stall, when tried to restart, 1st time engine will crank will not start 2nd time will not crank, 3rd time cranks and starts. does not do it all the time. check the communications line coul...
October 28, 2009
2005 Chevrolet Equinox LS 3.4L Stall, MIL Lamp on VIN: 2CNDL23FX5
U0121: loss communication with ebcm. ... stored u2100,u1000,p1626,u0140, u0121. vehicle does stall, when tried to restart, 1st time engine will crank will not start 2nd time will not crank, 3rd time cranks and starts. does not do it all the time. check the communications line coul...
October 29, 2009
2005 Chevrolet Equinox LS 3.4L Stall, MIL Lamp on VIN: 2CNDL23FX5
U0121: loss communication with ebcm. ... stored u2100,u1000,p1626,u0140, u0121. vehicle does stall, when tried to restart, 1st time engine will crank will not start 2nd time will not crank, 3rd time cranks and starts. does not do it all the time. check the communications line coul...
October 28, 2009
2005 Chevrolet Equinox LS 3.4L Stall, MIL Lamp on VIN: 2CNDL23FX5
U0121: loss communication with ebcm. ... stored u2100,u1000,p1626,u0140, u0121. vehicle does stall, when tried to restart, 1st time engine will crank will not start 2nd time will not crank, 3rd time cranks and starts. does not do it all the time. check the communications line coul...
October 29, 2009