Bulletin Information

Bulletin Title: #21-NA-130 - Malfunction Indicator Lamp (MIL) Illuminated, DTC P31E8, P31DB, P31D4 and/or P31E2 Set - (May 28, 2021)
Bulletin Type: Technical
Applies To: Exhaust / Vehicle DTC Information / Programming and Setup / Displays and Gauges

#21-NA-130 - Malfunction Indicator Lamp (MIL) Illuminated, DTC P31E8, P31DB, P31D4 and/or P31E2 Set - (May 28, 2021)

Subject:
Malfunction Indicator Lamp (MIL) Illuminated, DTC P31E8, P31DB, P31D4 and/or P31E2 Set

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Cadillac

CT4

2020

2021

2.7L (L3B), 3.0L (LGY)

CT5

Involved Region or Country

North...

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Document Tags

Document Title: #21-NA-130 - Malfunction Indicator Lamp (MIL) Illuminated, DTC P31E8, P31DB, P31D4 and/or P31E2 Set - (May 28, 2021)

engine

control

module

exhaust

flow

valve

position

bank

spring

actuator

powered

click

size

closed

tool

bolts

learn

select

reset

functions

labor

flow control

control valve

valve actuator

exhaust control

closed position

exhaust flow control

flow control valve

control valve position

valve position signal

position signal exceeds

signal exceeds upper

exceeds upper limit

upper limit bank

control valve stuck

valve stuck open

stuck open bank

exhaust control valve

control valve actuator

valve actuator replacement

general step instruction