Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Dtc u0122 lost communication with vehicle dynamics control module

Subaru Crosstrek Service Manual / Engine (diagnostics)(h4do) / Diagnostic procedure with diagnostic trouble code (dtc) / 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.

Judgment Value

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:

Adjustment
MECHANICAL(H4DO) > Cam ClearanceADJUSTMENT1. Remove the engine from the vehicle. Engine Assembly > REMOVAL">2. Remove the chain cover. Chain Cover > REMOVAL">3. When adjusting #1 and #3 cylinders(1) Remove the timing chain RH. Timing Chain Assembly > REMOVAL">( ...

Removal
EXHAUST(H4DO) > Front Exhaust PipeREMOVALCAUTION:Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.1. Disconnect the ground cable from battery. NOTE">2. Lift up the vehicle.3. Remove the under cover. Front Under Cover > REMOVAL"> ...

Continuously variable transmission features
The continuously variable transmission is electronically controlled and provides an infinite number of forward speeds and 1 reverse speed. It also has a manual mode. NOTE When the engine coolant temperature is still low, the transmission will upshift or downshift at higher engine speed ...

© 2016-2024 Copyright www.sucross.com