Instruments - Intermittent Speedo/Tach/Temp/DTC's

SOURCE: Honda Service News

TITLE: Speedometer, Tachometer, or Temperature Gauge Works Intermittently

APPLIES TO: 05 Odyssey

SERVICE TIP:

Got a '05 Odyssey in your shop with any or all of
these symptoms?
- The speedometer, tachometer, or temperature gauge works intermittently.
- The A/C works intermittently. This could also be coupled with the speedometer, tachometer, or temperature gauge working intermittently.
One or more of these fuel and emissions DTCs are set:
- DTC U0073 [F-CAN malfunction (BUS-OFF)]
- DTC U0122 (F-CAN malfunction (VSA - PCM)]
- DTC U0155 [F-CAN malfunction (gauge control module - PCM)]
- DTC U1101 [F-CAN malfunction (engine mount control unit - PCM)]
One or more of these MICS DTCs are set:
- DTC B1168 [gauge control module lost communication with PCM (engine messages)]
- DTC B1169 [gauge control module lost communication with PCM (A/T messages)]
- DTC B1170 [gauge control module lost communication with VSA modulator-control unit (VSA messages)]
- DTC B1178 (F-CAN communication line error)
One or more of these VSA DTCs are set:
- DTC 83 (PCM communication)
- DTC 86 (F-CAN communication)

A loose connector J (13P) in the passenger's under-dash fuse/relay box is the likely culprit. Make sure this connector is properly plugged in.