4. Check for DTCs with the HDS.
Are DTCs B2155, B2156, and/or B2161 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections between the driver's MPCS unit and the MICU.?
5. Check for DTCs with the HDS.
Are DTCs B1055, B1057, B1157, B1159, B1255, B1355, B1806, B1810, B1811, and/or B1955 also indicated?
YES -
Faulty MICU, replace the under-dash fuse/relay box See: Maintenance/Fuses and Circuit Breakers/Fuse Block/Service and Repair/Under-Dash
Fuse/Relay Box Removal and Installation.?
NO -
Do the driver's MPCS unit input test See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and
Inspection/Component Tests and General Diagnostics/Drivers MPCS Unit Input Test.?
B2157
DTC Troubleshooting: B2157, B2160
DTC B2157:
Driver's MPCS Unit Lost Communication with Gauge Control Module (ILLUMI Message)
DTC B2160:
Driver's MPCS Unit Lost Communication with Gauge Control Module (VSP/NE Message)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Are DTCs B2157 and/or B2160 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections between the driver's MPCS unit and the gauge control
module.?
5. Check for DTCs with the HDS.
Are DTCs B1011, B1060, B1205, B1207, B1357, B1805, and/or U0155 also indicated?
YES -
Do the gauge control module input test See: Instrument Panel, Gauges and Warning Indicators/Testing and Inspection/Component Tests and
General Diagnostics/Gauge Control Module Input Test.?
NO -
Do the driver's MPCS unit input test See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and
