L5P TSB (service bulletins, recalls, updates) | Chevy and GMC Duramax Diesel Forum

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Sticky '20-'22 DEF Tank Heater and Wiring Harness Updates

1

577

Emission Recall (N212354170): DPF Regeneration Temperature (Released 4/25/2022), Shaking/Vibration

2

26

4K

New emissions recall N192273630

3 4 5

82

41K

L5P Regen recall

14

2K

Emissions issues L5P

2

26

24K

by Melonhead1102

L5P Excessive DEF Usage

2

26

2K

5 6 7

120

22K

Regen notification?

5

655

12

5K

Block Heater Recall Replacement

9 10 11

218

45K

2017 Duramax Won't Go Into Gear! TCM? Shift Solenoid? Other Issues?

4

1K

by MVP

Truck went into reduced engine power

7

3K

P1029 Fuel Pump Fault Code

0

497

by HRod

Navigation Update

6

999

L5P SOFTWARE UPDATE?

3

2K

0

1K

2018 l5p Denali

9

1K

by Jram

Florida won’t register new 2022 sierra refresh truck

10

2K

GM Repurchasing the L5P?

NEEVZ
5 mo ago
Locked

4

3K

2018 L5P intermittently losing power for 10-20 seconds and then back to normal

16

2K

2 3 4

68

15K

Radio Software Update Recall?

12

4K

oil filter failure on 2018 GMC w/ duramax

13

2K

2017 GMC Denali 3500 REAR POWER SLIDER WINDOW EXPOLDED

4

2K

by Bear76

Duramax engine sitting for along time several months in the cold with out being started

12

2K

2019 Chevy LP5 fuel milage dropped 3mpg

7

2K

Do codes clear themselves?

4

2K

2018 L5P Stuttering or Missing & Loud Knocking

3

2K

LP5 Emission components Factory Warranty Question

2

2K

2017 L5P GMC Denali Duramax Engine Coolant

17

10K

2017 injector warranty

8

3K

by surfdogbuildings

Special Coverage N212338290 glow plugs

6

5K

DPF national backordered at chevy dealer

2

35

10K

L5P FUEL RAIL PRESSURE SENSOR LOCATION

3

9K

Extended Warranty Plans Bumper to Bumper

10

3K

Thieves suck - Security upgrades?

2 3

54

12K

by 6686L