Subaru Crosstrek Service Manual: Dtc u0122 lost communication with vehicle dynamics control module
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS 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 CAN communication failure between TCM, VDC CM and combination meter has occurred.
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 vehicle dynamics control module | = Lost |
Time Needed for Diagnosis: 500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Dtc p0560 system voltage
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0560 SYSTEM VOLTAGEDTC DETECTING CONDITION:Immediately at fault recognitionCAUTION:After servicing or replac ...
Dtc p000a "a" camshaft position slow response bank 1
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P000A "A" CAMSHAFT POSITION SLOW RESPONSE BANK 1NOTE:For the diagnostic procedure, refer to DTC P00 ...
Other materials:
Diagnostics with phenomenon Inspection
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Diagnostics with PhenomenonINSPECTIONSymptomsFaulty partsStall speed is low after warming-up, with select lever in “D” or “R” range.Engine control systemVehicle does not move despite engine speed rising up, with select lever in & ...
Removal
SECURITY AND LOCKS > Push Button Ignition SwitchREMOVALCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">1. Disconnect the ground cable from battery a ...
Removal
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)(H4DO) > EGR Control ValveREMOVAL1. Disconnect the ground cable from battery.2. Remove the clip (A) from the air intake boot.3. Loosen the clamp (B) connecting the air intake boot and air cleaner case (rear).4. Loosen the clamp (C) which connects th ...
