DTC B2159: Driver's MPCS Unit Lost Communication With Keyless Access Control Unit (Keyless Access Lock Message)
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Check for DTCs with the HDS.
Is DTC B2159 indicated?
YES -Go to step 4.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections.
- Check for DTCs with the HDS.
Is DTC B1161 also indicated?
YES -Do the keyless access control unit input test (see KEYLESS ACCESS CONTROL UNIT INPUT TEST/REPLACEMENT ).
NO -Do the driver's MPCS unit input test (see DRIVER'S MPCS UNIT INPUT TEST ).