Vehicle System Interface Module (VSIM)

B210E-BATTERY VOLTAGE HIGH





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
With the ignition switch on.

- Set Condition:
The Vehicle System Integration Module (VSIM) has detected the Fused (B+) input voltage above a calibrated value.





1. CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
1. With the scan tool, read the active DTCs.
2. Erase the DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. With the scan tool, read the active DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 2

No

- If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals, and repair any obvious problems.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM

NOTE: Repair any PCM charging/cranking DTCs before proceeding with this test.

NOTE: Verify the battery is fully charged.

Are any charging system DTCs present?

Yes

- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. CHECK THE VSIM
1. Turn the ignition off.
2. Disconnect all VSIM and aftermarket light/siren controller harness connectors.
3. Check for damaged or corroded pins, pinched wires, or damaged connectors, and repair any obvious problems.
4. Connect all VSIM and aftermarket light/siren controller harness connectors.

Is B210E-BATTERY VOLTAGE HIGH still displayed?

Yes

- Replace the VSIM.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Repair is complete. The problem may have been caused by a loose or corroded terminal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.