2017-19 GM T-K2 Platform Powertrain | Chevy and GMC Duramax Diesel Forum

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Sticky Definitive L5P Regen thread

2 3 4

62

6K

by John Lee Pettimore

2019 LIFTER TAP NOISE AT IDLE.

10

194

Can't escape Emission System Check Engine Light

10

275

by Melonhead1102

P026D accidental discovery

0

123

P20e8 only when hot outside

3

105

Cumulative unrelated glow plug failures

2

26

852

by cfell

2

177

2017 with P11DC & P22A0

19

459

by Maryz

High Pitch Whine Like a Dental Drill

2

32

21K

L5P Oil Catch Can

5

5K

Transfer Case Maintenance

17

4K

2019 L5P reduced engine power

12

8K

by surfdogbuildings

2019 l5p lost oil pressure / maybe a Ford or Ram ?

2 3 4

76

7K

Park assist blocked?

2

23

20K

by cfell

Transmission cooler return line 2017 - yours will eventually fail by design

7 8 9

161

56K

Should I switch to TES 295 fluid if just changing filter and draining pan on Allsion 1000 transmission?

2

37

2K

by Cbrick

L5P fuel filter failure

3 4 5

90

6K

5

271

by Barelylimpinalongl5p

CEL Troubles - NOx/Temp sensor readings causing CEL

0

149

by winterismyseason

2019 2500 Turbo failure at 20,000 miles

1

309

Broken ECM connectors

14

2K

by cfell

11

10K

by Ron505

information on l5p

2

34

36K

by Obscurefortress

8

4K

2017 L5P Fuel Mileage ???

10 11 12

227

200K

Squeaking Metal'ish Sound from Front of Engine

2

34

5K

Leaking Coolant from Inlet hose

2

193

Reduced Engine Power / Check Engine Light

6

3K

5 6 7

122

227K

Misfires 2017 L5P

8

370

13

1K

L5P "Emissions Service" w/ Towing

9

549

2018 L5P 3500 stumbles

2 3

42

21K

by Roadrunner24

2019 L5P Low Coolant light comes on.

2

30

7K

7

972

by teerev

Diesel Exhaust Fluid Quality Poor Message

2

25

6K

by cfell