DTC Troubleshooting: U0131
DTC U0131:
 Gauge Control Module Lost Communication with EPS Control Unit (EPS message)
  1. Clear the DTCs with the HDS.
  1. Turn the ignition switch to LOCK (0) and then back to ON (II).
  1. Wait for 6 seconds or more.
  1. Check for DTCs with the HDS.
Is DTC U0131 indicated?
YES -
Go to Step 5 .
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections.■
  1. Check for EPS DTCs with the HDS.
Is any DTCs indicated?
YES -
Go to the indicated DTC's troubleshooting, then recheck.
NO -
Go to Step 6 .
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the gauge control module 32P connector.
  1. Disconnect the EPS control unit 28P connector.
  1. Check for continuity between the gauge control module 32P connector No. 21 and No. 22 terminals and the EPS control unit 28P connector No. 1 and No. 15 terminals respectively.
Is there continuity?
YES -
Substitute a known-good EPS control unit, and recheck. If the indication goes away, replace the original EPS control unit. If the DTC is still present, replace the gauge control module. ■
NO -
Repair an open in the wire.■