DTC Troubleshooting: B1168
  1. Check for continuity between the ECM connector A (44P) terminals No. 36 and No. 37 and body ground individually.
Are there continuity?
YES -
Update the ECM if it does not have the latest software, or substitute a known-good ECM , and recheck. If DTC B1168 is indicated again, replace the gauge control module (tach).■
NO -
Repair an open in the wire.■