DTC Description

If brake booster vacuum pressure sensor output signal is above maximum threshold value(4880mV) for more than 3 sec., ECM sets DTC P055800.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Signal monitoring

1.

Open or short to power in signal circuit of brake booster vacuum pressure sensor

2.

Faulty brake booster vacuum pressure sensor

Enable Conditions

Ignition switch "ON"

Threshold Value

Open or short to power in signal circuit of brake booster vacuum pressure sensor

Diagnostic Time

3 sec.

Fail Safe

MIL

Off

ISG OFF

Yes

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