Possible Causes And Corrective Actions

Data reception by Transmission Control Module (TCM) via CAN-Bus not OK. Possible effect may be functions of systems connected to CAN-Bus not OK.

• Read Measuring Value Block. See READ MEASURING VALUE BLOCK (FUNCTION 08)  .
• Check coding of Data Bus On Board Diagnostic Interface. See INITIATING ON BOARD DIAGNOSTIC (INSTRUMENT CLUSTER) & CHECKING INSTRUMENT CLUSTER CODING  under SELF-DIAGNOSTIC SYSTEM.
• Check DTC memory of Transmission Control Module (TCM) and repair malfunctions. See appropriate DIAGNOSIS article under AUTOMATIC TRANSMISSION.
• Check CAN-Bus to Transmission Control module (TCM) according to wiring diagram. See TRANSMISSION in SYSTEM WIRING DIAGRAMS article under ELECTRICAL.