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.
Dtc u0416 invalid data received from vehicle dynamics control module
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULENOTE:For the diagnostic procedure, refer to L ...
Dtc u0073 control module communication bus off
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0073 CONTROL MODULE COMMUNICATION BUS OFFNOTE:For the diagnostic procedure, refer to LAN section. Basic Dia ...
Other materials:
Removal
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Mode Door ActuatorREMOVALCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">1. Disconnect the ground cable f ...
General diagnostic table Inspection
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > General Diagnostic TableINSPECTIONSymptomsMain probable causeOther probable causePoor brake performanceLong braking/stopping distance• VDCCM&H/U• Brake pad• Aeration to brake line• Tire specifications, tire wear and air pr ...
Brake line Inspection
PERIODIC MAINTENANCE SERVICES > Brake LineINSPECTION1. BRAKE LINE1. Check for scratches, swelling, corrosion, traces of fluid leakage on the brake hoses or pipe joints.2. Make sure that brake pipes/hoses do not interfere with adjacent parts and there is no loose connector/clamp during driving.3. ...
