U1412-IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED

For a complete wiring diagram Refer to Section 8W.

The Transmission Control Module (TCM) receives Engine rpm over the CAN Bus.

When Monitored:
Ignition on with system voltage between 9.0 and 16.0 volts.
No lost communication faults detected.
Set Condition:
An implausible vehicle speed signal sent from the ABS module for the period of 5.0 seconds.

Possible Causes

FCM/TIPM CAN BUS DTCS PRESENT

ABS MODULE DTCS PRESENT

TRANSMISSION CONTROL MODULE

Always perform the CVT Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - STANDARD PROCEDURE)

1.CHECK IF THE DTC IS ACTIVE

Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less?

Yes

2.CHECK FOR FCM/TIPM CAN BUS DTCS

Are there any FCM/TIPM CAN BUS DTCs present?

Yes

3.CHECK IF ABS DTCS ARE PRESENT

Are there any ABS DTCs present?

Yes

Refer to 5- BRAKES - DIAGNOSIS AND TESTING category and perform the appropriate symptom(s).
Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - STANDARD PROCEDURE)

Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the TCM per the Service Information. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/TRANSMISSION CONTROL MODULE - REMOVAL)
Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - STANDARD PROCEDURE)

4.INTERMITTENT WIRING AND CONNECTORS

Were there any problems found?

Yes