Subaru Crosstrek Service Manual: Dtc b2a10 battery voltage high
TELEMATICS SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B2A10 BATTERY VOLTAGE HIGH
Diagnosis start condition:
When ignition switch is ON.
DTC detecting condition:
DCM battery power supply input of 16 V or more continues for 5 seconds.
Trouble symptom:
RED LED illuminates.
CAUTION:
CommCheck is required after replacing the DCM. Telematics System > OPERATION">
| STEP | CHECK | YES | NO |
1.CHECK DTC.
Read the DTC. Diagnostic Code(s) Display">
Is DTC B2A10 displayed? (Current malfunction)
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A10 BATTERY VOLTAGE HIGH">Go to Step 2.
Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.
In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.
2.CHECK CURRENT DATA.
Check «Battery Voltage» of «Data Monitor». Read Current Data">
Is «Battery Voltage» OK?
Replace the DCM. Data Communication Module">
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A10 BATTERY VOLTAGE HIGH">Go to Step 3.
3.CHECK BATTERY.
Check the battery unit. Battery > INSPECTION">
Is the battery OK?
Replace the DCM. Data Communication Module">
Replace the battery. Battery">
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Other materials:
Certification for remote keyless entry system
U.S.-spec. models
FCC ID: CWTWB1U811
FCC ID: CWTWD1U781
CAUTION
FCC WARNING
Changes or modifications not expressly
approved by the party responsible
for compliance could void
the user's authority to operate the
equipment.
NOTE
This device complies with part 15 of the
FCC Rules. Operation ...
Removal
FRONT SUSPENSION > Front StabilizerREMOVAL1. Lift up the vehicle, and then remove the left and right front wheels.2. Remove the under cover - front. Front Under Cover > REMOVAL">3. Remove the front crossmember support. Front Crossmember Support Plate > REMOVAL">4. Remove t ...
Electrical specification
POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > Control Module I/O SignalELECTRICAL SPECIFICATIONNOTE:The terminal numbers of the power steering control module connectors are as indicated in the figure.ContentsTerminal No.Input/output signalMeasured value and measuring conditionsPower supp ...
