DTC Description

The SRSCM sets DTC B147900 if there is a short to ground in PCAB harness.

*In this case, SRSCM checks if there's any fault in circuit by sending current for a while.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

Check Voltage

1.

Short to ground in PCAB harness.

2.

Poor connection of connected part.

3.

Poor connection between shorting bar and release pin.

4.

Faulty PCAB.

5.

Check SRSCM.

Enable Conditions

Ignition "ON"

Threshold Value

Short to ground in PCAB

Squib line voltage is < 1.3 kΩ (When Batt 7.4~18.7V)

Diagnostic Time

Qualification

More than 3s (300ms x 10)

De-Qualification

More than 6s (300ms x 20)

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