Subaru Crosstrek Service Manual: Dtc u0423 invalid data received from instrument panel cluster control module
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE
NOTE:
For the diagnostic procedure, refer to LAN section. Basic Diagnostic Procedure">
1. OUTLINE OF DIAGNOSIS
Detect malfunction of CAN communication.
Judge as NG when data received from TCM, VDC CM and combination meter is not normal.
2. COMPONENT DESCRIPTION
(Common Specifications)
CAN Protocol 2.0 B (Active)
Frame Format: 11 Bit ID Frame (Standard Frame)
Conforms to ISO11898
Communication Speed: 500 kbps
3. EXECUTION CONDITION
Secondary Parameters | Execution condition |
Battery voltage | ≥ 10.9 V |
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
Judge as NG when the following conditions are established.
Malfunction Criteria | Threshold Value |
CAN data from instrument panel cluster control module | Did not change |
Time Needed for Diagnosis: 2 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
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Other materials:
Light control switch
CAUTION
Use of any lights for a long period
of time while the engine is not
running can cause the battery to
discharge.
Before leaving the vehicle, make
sure that the lights are turned off.
If the vehicle is left unattended
for a long time with the lights
illuminated, the batte ...
Driving with a trailer
You should allow for considerably more
stopping distance when towing a trailer.
Avoid sudden braking because it may
result in skidding or jackknifing and loss of
control.
Avoid abrupt starts and sudden accelerations.
If your vehicle has a manual
transmission, always start out in ...
Caution
BODY CONTROL SYSTEM (DIAGNOSTICS) > General DescriptionCAUTION1. SRS AIRBAG SYSTEMAirbag system wiring harness is routed near the body integrated unit and body control circuits.CAUTION:• Do not use the electrical test equipment on all airbag system wiring harnesses and connectors.• Be ...
