Subaru Crosstrek Service Manual: Dtc u0101 lost communication with tcm
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0101 LOST COMMUNICATION WITH TCM
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 TCM | = Lost |
Time Needed for Diagnosis: 500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Dtc p1531 battery current sensor circuit high
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P1531 BATTERY CURRENT SENSOR CIRCUIT HIGHDTC detecting condition:Immediately at fault recognitionCAUTION:Afte ...
Dtc p0125 insufficient coolant temperature for closed loop fuel control
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROLDTC detecting condition:Detected when two ...
Other materials:
Operation
SECURITY AND LOCKS > Impact SensorOPERATION1. IMPACT SENSOR SETTING USING SUBARU SELECT MONITOR1. Make an impact sensor setting.(1) Connect the Subaru Select Monitor.NOTE:For detailed operation procedures, refer to “Application help”.(2) Turn the ignition switch to ON.(3) On «Start» ...
Installation
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Primary Speed SensorINSTALLATIONCAUTION:Be sure to prevent water or oil from contacting the connector terminal of primary speed sensor. If adhesion occurs, replace with a new part.Install in the reverse order of removal.NOTE:• Use new O-rings.&bul ...
Inspection
MANUAL TRANSMISSION AND DIFFERENTIAL(5MT) > Transfer Driven GearINSPECTION1. Taper roller bearingReplace the bearings in the following cases.• In case of broken or rusty bearings• In case of worn or damaged bearings• When the bearings fail to turn smoothly or emit noise in rotat ...
