Lotus Evora - Lost Communications with TCM; Lost Communications with VDCM; Lost Communications with TPMS

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Lotus Service Notes Section EMR
Lost Communications with TCM
U0101 Lost Communications with TCM
Description:
The ECM communicates with the Transmission Control Module (TCM) via the CAN bus.
If these CAN bus communications have been interrupted the ECM will register a diagnostic code.
Potential failure modes:
• CANwiring
• TCMcontrolmodulefailure
• CANbuscorruptionbyanothermoduleonbus
Diagnostic Mask:
• Theservicelightwillbeilluminatedfor30secondsafterenginestartifthefaultwaspresentontheprevious
trip.
Lost Communications with VDCM
U0122 Lost Communications with VDCM
Description:
The ECM communicates with the Vehicle Dynamic Control Module (VDCM) via the CAN bus.
If these CAN bus communications have been interrupted the ECM will register a diagnostic code.
Potential failure modes:
• CANwiring
• VDCMcontrolmodulefailure
• CANbuscorruptionbyanothermoduleonbus
Diagnostic Mask:
• Theservicelightwillbeilluminatedfor30secondsafterenginestartifthefaultwaspresentontheprevious
trip.
Lost Communications with TPMS
U0127 Lost Communications with TPMS
Description:
The ECM communicates with the Tyre Pressure Monitor System (TPMS) via the CAN bus.
If these CAN bus communications have been interrupted the ECM will register a diagnostic code.
Potential failure modes:
• CANwiring
• TPMScontrolmodulefailure
• CANbuscorruptionbyanothermoduleonbus
Diagnostic Mask:
• Theservicelightwillbeilluminatedfor30secondsafterenginestartifthefaultwaspresentontheprevious
trip.
2009/02