B210E-BATTERY VOLTAGE HIGH

For a complete wiring diagram Refer to Section 8W.

When Monitored:
While the CAN bus ignition status received is RUN or SNA (Signal Not Available), the module checks the (A417) Fused B(+) circuit voltage input range.
Set Condition:
If the module detects that the battery voltage is greater than or equal to 24.25 volts +/- 0.25 volt for 10 seconds.

Possible Causes

VEHICLE CHARGING SYSTEM

OCCUPANT CLASSIFICATION MODULE (OCM)

Diagnostic Test

1. CHECK FOR AN ACTIVE DTC

Turn the ignition on.
With the scan tool, read OCM DTC.

Does the scan tool display active: B210E-BATTERY VOLTAGE HIGH?

Yes

Go To 2

No

Go To 4

2. CHECK THE BATTERY VOLTAGE TO THE OCCUPANT CLASSIFICATION MODULE

With the scan tool in Data Display, read OCM battery voltage.

Is the battery voltage greater than 24.0 volts?

Yes

Go To 3

No

To avoid serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
Replace the OCM in accordance with the Service Information.
Perform *OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST.

3. CHECK FOR CHARGING SYSTEM RELATED DTC IN THE POWERTRAIN CONTROL MODULE (PCM)

With the scan tool in ECU View, select PCM and check for any Charging System related DTC.

Does the scan tool display any Charging System related DTC?

Yes

Diagnose and repair the DTC. Refer to (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).

No

To avoid serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
Replace the OCM in accordance with the Service Information.
Perform *OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST.

4. TEST FOR INTERMITTENT CONDITION

With the scan tool, record and erase all DTC from all Airbag modules.
If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.

Does the scan tool display any ACTIVE DTC?

Yes

Select appropriate symptom from Symptom List.

No problem found. Erase all codes before returning vehicle to customer.