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Chevy / GMC Duramax 2017+ L5P Forums
L5P TSB (service bulletins, recalls, updates)
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2017 L5p leaking oil.
Denali HD B.C.
5 mo ago
2
26
3K
10 h ago
by
DuraTrey
6
2020 Def level recall
600+ duramax
Oct 7, 2019
14
8K
14 h ago
by
mnoland2000
Def Heater
Tool-man
3 d ago
1
152
1 d ago
by
GoBlowSnow
D
17-19 l5p factory air box leaks dirt
Deeretech1
12 d ago
4
388
7 d ago
by
Deeretech1
2018 duramax
Cowboysrule79
15 d ago
1
187
14 d ago
by
FreedomOne
J
Can’t pass smog test
Jrd3
1 mo ago
10
805
14 d ago
by
njmurvin
C
Rear Window recall fixed and then catches fire
clay_ton
1 mo ago
1
422
1 mo ago
by
Ottowood
PIP5480A - Chugging, Stumble, Harsh Tip- In/Tip-Out
UTEngineer
Jan 27, 2019
18
6K
1 mo ago
by
UTEngineer
P026D Issue
yellow05gt
7 mo ago
7
2K
2 mo ago
by
mayer7196
Def level notification on a 19
carhauler
Nov 11, 2019
2
20
3K
2 mo ago
by
Epicenter
2018/2019 DPF Regen recall
GoBlowSnow
2 mo ago
3
655
2 mo ago
by
Epicenter
Thieves suck - Security upgrades?
[email protected]
3 mo ago
2
3
44
3K
3 mo ago
by
Nitro Junkie
New emissions recall N192273630
Dmax affair
Jan 23, 2020
2
3
4
74
20K
3 mo ago
by
duecedriver
H
Excessive DEF consumption, 2019 Denali Duramax
hogdooz
Jul 14, 2019
2
3
4
76
14K
3 mo ago
by
Denali2012HD
J
2018 2500 DURAMAX LT DEF TROUBLE
Jmac2023
4 mo ago
4
532
4 mo ago
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sambor
U
New LP5 & check engine light at 200 miles?
UPfan
4 mo ago
8
925
4 mo ago
by
UPfan
H
Block Heater Recall Replacement
HIGHCOUNTRY_USCG
Aug 26, 2019
7
8
9
161
26K
5 mo ago
by
redwngr
B
Alternator is singing
[email protected]
10 mo ago
8
1K
5 mo ago
by
[email protected]
2017 Duramax engine light code P1339
Ken the trailer guy
6 mo ago
1
2K
5 mo ago
by
NorCal_L5P
C
Bad cabin air filter design?
Carlos87
11 mo ago
6
2K
5 mo ago
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Jurg77
GM Recall #: N182206311
UTEngineer
May 16, 2019
5
6
7
136
20K
6 mo ago
by
sbowers61
T
Emissions issues L5P
TurboL5PZ71
Jun 3, 2018
9
10K
8 mo ago
by
Jason 96
D
P11DC code
dmax guitarpicr
11 mo ago
3
2K
11 mo ago
by
redwngr
1
2019 headlights fogging up!
19duramax
Nov 1, 2019
15
2K
11 mo ago
by
[email protected]
M
Second injector replacement at 70k miles
madturbodiesel
Jan 9, 2020
11
2K
11 mo ago
by
M.A.M.
J
2017 L5P GMC Denali Duramax Engine Coolant
Johnny552
Jan 18, 2020
4
2K
12 mo ago
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FR8ERFXR
M
L5p bulletins, recalls and updated calibrations
mebob2001
Mar 12, 2017
7
8
9
177
163K
12 mo ago
by
Foghorn
GM TechLink - L5P “Issues” Article
UTEngineer
Jan 13, 2020
2
2K
Jan 13, 2020
by
Trucklover63
Remove or delete onstar module
cfell
Dec 27, 2019
5
3K
Dec 29, 2019
by
hotairgypsy
S
Weak Paint???
StrmTrpr
Nov 28, 2017
19
7K
Dec 27, 2019
by
REL
M
L5P rattle on decel
mebob2001
Mar 12, 2017
3
6K
Dec 27, 2019
by
cfell
S
Cluster light Moisture
spudbudy
Nov 29, 2019
1
437
Dec 2, 2019
by
Teknik812
Grill cover recall
sdelam
Nov 19, 2019
1
953
Nov 19, 2019
by
chevor
L
L5p troubles and Nightmare!
Lp5duramaxtow
Jun 18, 2019
3
6K
Oct 4, 2019
by
monkeyman
Truck Weight
Coppolac
Oct 1, 2019
4
1K
Oct 1, 2019
by
407driver
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L5P TSB (service bulletins, recalls, updates)
Postings of Tech Service info for any New L5P engine issues.
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