Lost Communications With Tcm; Lost Communications With Vdcm; Lost Communications With Tpms - Lotus Evora Service Notes

Lotus Service Notes

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.
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2009/02
Section EMR