DTC 41: VHCL Speed Se CIRC

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ICC UNIT SELF-DIAGNOSIS
Perform self-diagnosis. Is "DTC 43 VDC/TCS/ABS CIRC" or "DTC 20 CAN COMM CIRCUIT" indicated in self-diagnosis item display?

YES or NG
- YES: Repair or replace as necessary. Erase DTC and perform ICC system running test. Refer to "ICC SYSTEM RUNNING TEST ". Then perform self-diagnosis of ICC system again.
- NG: GO TO 2.
CHECK A/T VEHICLE SPEED SENSOR
With CONSULT-II

With data monitor, check "VHCL SPD AT".

OK or NG
- OK: Replace ICC unit. Refer to "ICC UNIT ". Erase DTC and perform ICC system running test. Refer to "ICC SYSTEM RUNNING TEST ". Then perform self-diagnosis of ICC system again.
- NG:
  - Check TCM.
  - Erase DTC and perform ICC system running test. Refer to "ICC SYSTEM RUNNING TEST ". Then perform self-diagnosis of ICC system again.