DTC P0556, P0557, or P0558

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Diagnostic Instructions

  • Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

  • Review Strategy Based Diagnosis for an overview of the diagnostic approach.

  • Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descr

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You may preview the service manual table of contents by clicking below.

Service Manual Table of Contents

Document Tags

Document Title: DTC P0556, P0557, or P0558

diagnostic

instructions

system

procedure

dtcp

brake

booster

pressure

sensor

circuit

voltage

information

short

ground

open

resistance

signal

volt

reference

vacuum

description

running

conditions

pthe

detects

dtcs

type

connector

testing

ignition

test

between

terminal

greater

specified

range

normal

replace

diagnostic procedure

short voltage

booster vacuum

vacuum sensor

sensor signal

signal circuit

reference circuit

circuit terminal

terminal ground

range test

circuit tests

test signal

brake booster vacuum

booster vacuum sensor

brake booster sensor

ignition disconnect harness

disconnect harness connector

reference circuit terminal

circuit terminal ground

specified range test

open resistance circuit

resistance circuit tests

circuit tests normal

ignition test volts

between volt reference

volt reference circuit

range test volt

short voltage circuit

voltage circuit tests

range test signal

test signal circuit