B1133

DTC B1133 (No. 1133): Battery Voltage Too High

Wiring Diagram

Refer to BCM Power Circuit and Ground Circuit Check BCM Power Circuit and Ground Circuit Check.

DTC Detecting Condition and Possible Cause






Flow Test Description

Step 1: Check charging system

DTC Troubleshooting

1. Charging system operation check

Check generator for operation referring to Testing and Inspection Generator Test.

Is it in good condition?
YES -
Substitute a known good BCM and recheck.
NO -
Repair charging system.