Description
The key warning chime does not sound, when all of the following conditions are fulfilled:
Diagnosis Procedure
1.CHECK BCM INPUT SIGNAL

Is the inspection result normal? YES >> Replace the BCM. Refer to BCS-135, "Removal and Installation".
NO >> GO TO 2.
2.CHECK KEY SWITCH SIGNAL CIRCUIT
Check the key switch signal circuit. Refer to WCS-47, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connector.
3.CHECK KEY SWITCH
Check the key switch. Refer to WCS-48, "Component Inspection".
Is the inspection result normal? YES >> Replace the BCM. Refer to BCS-135, "Removal and Installation".
NO >> Replace key switch.
The light reminder warning does not soundU0140 lost communication (BCM)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0140
LOST COMM (BCM)
(Lost Communication With Body Control Module)
When the ignition switch is ON, TCM is unable to receive the CAN
communications ...
Symptom diagnosis
INTELLIGENT KEY SYSTEM SYMPTOMS
Symptom Table
CAUTION:
Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform
the trouble diagnosis
if any DTC is detected.
Symptom
Inspection item
Door does not lock/unlock with door lock and unlock switch
...
P0841 transmission fluid pressure SEN/SW A
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0841
FLUID PRESS SEN/SW A
(Transmission Fluid Pressure Sensor/Switch
“A” Circuit Range/Performance)
When all of the following conditions are sa ...