U0127

DTC Troubleshooting: U0127

DTC U0127:

Gauge Control Module Lost Communication With the TPMS Control Unit (TPMS Message)

NOTE:

- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.
- If the HDS does not communicate with the TPMS control unit, the TPMS indicator stay on, and no TPMS DTCs are stored, go to symptom troubleshooting for TPMS indicator does not go off, and no DTCs are stored TPMS Indicator Does Not Go Off, And No DTCs Are Stored.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II), or press the engine start/stop button to select the OFF mode and then the ON mode.

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTC U0127 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections.�

5. Check for TPMS DTCs with the HDS.

Are any DTCs indicated?

YES -

Go to the indicated DTC's troubleshooting, then recheck.

NO -

Go to step 6.

6. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

7. Disconnect the TPMS control unit 20P connector.

8. Check for continuity between gauge control module connector A (32P) terminals No. 13 and No. 14 and TPMS control unit 20P connector terminals No. 11 and No. 2 respectively.





Is there continuity?

YES -

Substitute a known-good TPMS control unit, and recheck. If the indication goes away, replace the original TPMS control unit. If the DTC is still present, replace the gauge control module Service and Repair.�

NO -

Repair an open in the wire.�