DTC Description

The SRSCM sets DTC B134900 if there is a short to power in DAB 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 power in DAB harness.

2.

Poor connection of connected part.

3.

Faulty DAB.

4.

Faulty Clock spring.

5.

Check SRSCM

Enable Conditions

Ignition "ON"

Threshold Value

Short to power in DAB

Squib line voltage is < 3.1 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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