U1412-IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED

For a complete wiring diagram, refer to the Wiring Information.

The Powertrain Control Module (PCM) receives wheel speed and wheel distance CAN bus messages from the Anti-lock Brake (ABS) module.

When Monitored:
With the ignition on, the battery voltage between 9 and 16 Volts and engine run time greater than three seconds.
Set Condition:
The PCM either doesn't receive a bus message or receives an implausible bus message from the Anti-Lock Brake Module.

Possible Causes
CAN C BUS OPEN OR SHORTED
NO POWER TO ANTI-LOCK BRAKE MODULE - MODULE UNPLUGGED OR OPEN FUSE
POWERTRAIN CONTROL MODULE (PCM)

1. ACTIVE DTC

1.	Ignition on, engine not running.

2.	With the scan tool, select View DTCs.

Is the U1412-IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED Active at this time?

Yes

2. U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT IS ACTIVE

1.	Continue reading DTCs.

Is the U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT ACTIVE at this time?

Yes

3. ABS MODULE IS ACTIVE ON THE CAN C BUS

1.	With the scan tool, select ECU View.

2.	Verify that the ABS Module is active on the bus.

Is the ABS Module active on the bus?

Yes

4. ACTIVE DTCS IN THE BODY CONTROL MODULE (BCM)

1.	With the scan tool, select ECU View and select BCM.

2.	With the scan tool, read Active DTCs.

Is the U0002-CAN C BUS OFF PERFORMANCE active in the BCM at this time?

Yes