#97-T-20A - MIL (Service Engine Soon Telltale Lamp) On and EGR DTCs P0401, P0404, P0405, P1404 and/or P1406 in PCM Memory - (Jan 6, 2003)

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Malfunction Indicator Lamp (SERVICE ENGINE SOON Telltale Lamp) On and EGR DTCs P0401, P0404, P0405, P1404 and/or P1406 in PCM Memory (Updated diagnosis and Install Service PCM Calibration) This bulletin is being revised with update diagnostic and repair information for EGR system, bulle...

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Document Title: #97-T-20A - MIL (Service Engine Soon Telltale Lamp) On and EGR DTCs P0401, P0404, P0405, P1404 and/or P1406 in PCM Memory - (Jan 6, 2003)

malfunction

lamp

service

engine

dtcs

diagnosis

this

bulletin

diagnostic

information

system

codes

history

debris

exhaust

pintle

important

controller

part

model

table

manual

result

diagnose

scan

tool

stall

vehicle

ignition

displays

listed

match

version

greater

year

base

automatic

perf

operation

flow

linear

consists

valve

associated

directly

ground

certain

voltage

feedback

signal

determine

actually

moved

parameters

deceleration

commanded

closed

test

threshold

value

coolant

temperature

have

cycle

aids

cleared

when

carbon

buildup

position

error

wiring

solenoid

controlled

contains

diode

circuit

dissipates

energy

cycled

actual

volts

condition

than

seconds

disabled

check

backed

damaged

tightness

terminal

open

short

learned

service stall

stall system

model year

automatic manual

system consists

certain conditions

grounds valve

valve diagnostic

determine valve

valve actually

engine coolant

diagnostic aids

pintle valve

associated wiring

valve solenoid

diode feedback

feedback circuit

valve cycled

ignition cycle

aids check

circuit result

position feedback

voltage volts

actual learned

malfunction indicator lamp

service engine soon

service stall system

automatic manual perf

perform crankshaft learning

grounds valve diagnostic

determine valve actually

valve actually moved

engine coolant temperature

valve solenoid controlled

contains diode feedback

diode feedback circuit

feedback circuit dissipates

signal determine valve

counts volts commanded

ignition cycle malfunction

valve operate engine

operate engine coolant

regardless loop mode

codes cleared ignition

cleared ignition keyed

seconds allow proper

allow proper operation

proper operation diagnostic

operation diagnostic aids

diagnostic aids check

aids check backed

check tightness female

tightness female terminal

female terminal grip

terminal grip spare

feedback circuit result

unstable valve operation

valve operation resulting

operation resulting vehicle

resulting vehicle surge

closed valve position

actual learned greater

learned greater than

greater than volts