AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE
Detected when CAN data (headlights ON signal) is not received from the body integrated unit.
NOTE:
Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE">
Dtc b2903 vdc data error
Dtc b2900 ahl controlRemoval
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Oil Control SolenoidREMOVALCAUTION:If the engine oil is spilt over exhaust pipe or the under cover, wipe it off with cloth to avoid emission of smoke or causing a fire.1. INTAKE SIDE1. Disconnect the ground cable from battery.2. Remove the air intake duct. (R ...
Preparation tool
TELEMATICS SYSTEM (DIAGNOSTICS) > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed operation procedures of Subaru Select Monitor 4, r ...
Battery
WARNING
Never expose the battery in your Subaru Ascent to open flames or sparks.
The battery emits highly flammable gases that can ignite and cause an
explosion if exposed to ignition sources.
Always wear appropriate eye protection when working near the battery
of your Subaru ...