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Old 09-09-2019, 10:57 PM   #1 (permalink)
D.Camilleri
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DTC P1338

Does anyone have a description for P1338? Second morning in a row that this popped up. I am thinking it has to do with the glow plug circuit. I haven't been able to find a good description.

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2017 3500HD CCLB Black on Black LTZ Loaded L5P, Banks Derringer with I dash, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cooper STT PRO 285/65R18 and Vision Manic wheels. 2nd set of tires and wheels, Cepek Trail Country EXP 285/65R18 on Ultra Predator II Black/Machined 18x9

2018 Solitude 310GK fifth wheel with a 12' Haulmark tag trailer to haul toys in.

1997 Jeep TJ, Currie 8.8 high pinion axles front and rear with ARB air lockers, 4.56, 5 on 5.5 with warn hub kit, Atlas II transfer case with Klune V doubler, 4 inch Currie Lift and 35x12.50x15 Mickey Thompson MTZ on 15x10 Mickey Thompson wheels, Ramsey 9500 winch, hydraulic ram assist steering, on board welder and on board air, custom aluminum fuel tank.
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Old 09-09-2019, 11:00 PM   #2 (permalink)
OkDually
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Pulled this up so far but I'm still researching
https://www.dieselplace.com/forum/63...133e-code.html



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Old 09-09-2019, 11:08 PM   #3 (permalink)
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Everything I am pulling up leads to the same thing about glow plugs and or controller and some software update
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1996 K3500 6.5L,( "F" Eng #141 cast block) 5 speed manual, crewcab, dually longbed: 208,000mi.
Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro Crossover
AirDog II DF165 w/ tank sock delete - XDP
TD-Max boost controller - Kennedy Diesel
OPS extension hose - Leroy Diesel
Glow Plug Harness- PT Wiring Solutions
Glowshift Maxtow EGT,Boost, Fuel gauges
Boost & Fuel Pressure Bolts - Leroy Diesel
2/0 Battery Cable Upgrade - PT Wiring Solutions
PMD w/#9 resistor and Re-Location Kit, mounted to bumper - Leroy Diesel
GM-5 Turbocharger
4.10 gear ratio
OptiLube Winter Formula


Proud member #1039 of The 3500 Dually Club

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Old 09-10-2019, 07:55 AM   #4 (permalink)
D.Camilleri
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That is what I was able to find also. This code doesn't even come up in DTC descriptions on AllData. Looks like another trip to the dealer.
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2017 3500HD CCLB Black on Black LTZ Loaded L5P, Banks Derringer with I dash, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cooper STT PRO 285/65R18 and Vision Manic wheels. 2nd set of tires and wheels, Cepek Trail Country EXP 285/65R18 on Ultra Predator II Black/Machined 18x9

2018 Solitude 310GK fifth wheel with a 12' Haulmark tag trailer to haul toys in.

1997 Jeep TJ, Currie 8.8 high pinion axles front and rear with ARB air lockers, 4.56, 5 on 5.5 with warn hub kit, Atlas II transfer case with Klune V doubler, 4 inch Currie Lift and 35x12.50x15 Mickey Thompson MTZ on 15x10 Mickey Thompson wheels, Ramsey 9500 winch, hydraulic ram assist steering, on board welder and on board air, custom aluminum fuel tank.
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Old 09-10-2019, 12:23 PM   #5 (permalink)
Ron Nielson
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P1338 is for the camshaft position sensor. https://www.autocodes.com/p1338.html

Be sure to test the circuit before deciding to replace the sensor.
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Old 09-10-2019, 10:23 PM   #6 (permalink)
D.Camilleri
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Quote:
Originally Posted by Ron Nielson View Post
P1338 is for the camshaft position sensor. https://www.autocodes.com/p1338.html

Be sure to test the circuit before deciding to replace the sensor.
Something tells me that this code isn't the same as a generic OBII code. I think it is related to the glow plug circuit, and maybe the software.
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2017 3500HD CCLB Black on Black LTZ Loaded L5P, Banks Derringer with I dash, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cooper STT PRO 285/65R18 and Vision Manic wheels. 2nd set of tires and wheels, Cepek Trail Country EXP 285/65R18 on Ultra Predator II Black/Machined 18x9

2018 Solitude 310GK fifth wheel with a 12' Haulmark tag trailer to haul toys in.

1997 Jeep TJ, Currie 8.8 high pinion axles front and rear with ARB air lockers, 4.56, 5 on 5.5 with warn hub kit, Atlas II transfer case with Klune V doubler, 4 inch Currie Lift and 35x12.50x15 Mickey Thompson MTZ on 15x10 Mickey Thompson wheels, Ramsey 9500 winch, hydraulic ram assist steering, on board welder and on board air, custom aluminum fuel tank.
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Old 09-11-2019, 09:39 AM   #7 (permalink)
Rvn4me
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P1338 is a Glow Plug Control DTC

You may want to look at the other DTE Descriptors that are more common. P1338, P1339, P133A, P133B, P133C, P133D, P133E, P133F

#PIP5523 DTCs P1338 P1339 P133A P133B P133C P133D P133E and / or P133F Set. - (Sep 26, 2017)
#PIE0401 Bulletin 04-00-89-053 Engineering Information - Malfunction Indicator Lamp Illuminated with One or More Glow Plug Control DTCs Set - (Mar 9, 2017)

PIE0401: Engineering Information - Malfunction Indicator Lamp Illuminated with One or More Glow Plug Control DTCs Set - (Mar 9, 2017)
Subject: Engineering Information – Malfunction Indicator Lamp Illuminated with One or More Glow Plug Control DTCs Set

Attention: Proceed with this EI ONLY if the customer has commented about this concern AND the PIE number is listed in the Global Warranty Management / Investigate History link (GWM/IVH). If the customer has not commented about this condition or the EI does not show in GWM/IVH, disregard the PI and proceed with diagnostics found in published service information. THIS IS NOT A RECALL — refer to the latest version of Service Bulletin 04-00-89-053 for more details on the use of Engineering Information bulletins.

Brand:
Model:
Model Year:
VIN:
Engine:
Transmission:

from
to
from
to

Chevrolet
Silverado
2017
2017
L5P
All

GMC
Sierra
2017
2017
L5P
All

Involved Region or Country
North America

Additional Options (RPO)
Equipped with ENGINE-DIESEL, 8 CYL, 6.6L, DI, V8, TURBO, DURAMAX (RPO L5P)

Condition
Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI.

Some customers may comment may comment on a malfunction indicator lamp illuminated.

During diagnosis a technician may find one or more of the following DTCs set:

•P06C5
•P06C6
•P06C7
•P06C8
•P06C9
•P06CA
•P06CB
•P06CC
•P066A
•P066C
•P066E
•P067A
•P067C
•P067E
•P068C
•P068E
•P0671
•P0672
•P0673
•P0674
P0675
•P0676
•P0677
•P0678
•P1337
•P1338
•P133A
•P133B
•P133C
•P133D
•P133E
•P133F

Cause
GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be used to "root cause" the customer's concern and develop/validate a field fix.

Correction
If you encounter a vehicle with the above concern, follow SI procedures for any of the DTCs other than P06C5-C or P1337-F.

If any of the DTCs listed in this section are set, clear the codes and relearn the glow plugs. Refer to Glow Plug Learn in SI.

After the glow plug learn procedure has been completed, let the vehicle sit a minimum of 4 hours before starting.

After 4 hours, start the vehicle and verify if any MIL and any DTCs are set.
Attached Images
File Type: jpg 2D3D9E99-A2E4-4126-BB4D-3E873CCE7DD2.jpg (71.2 KB, 6 views)

Last edited by Rvn4me; 09-11-2019 at 10:01 AM.
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Old 09-12-2019, 09:59 AM   #8 (permalink)
D.Camilleri
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Thanks RVN4ME ! Do you have information on how to perform a glow plug relearn? I think I have a failed number 1 glow plug.
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2017 3500HD CCLB Black on Black LTZ Loaded L5P, Banks Derringer with I dash, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cooper STT PRO 285/65R18 and Vision Manic wheels. 2nd set of tires and wheels, Cepek Trail Country EXP 285/65R18 on Ultra Predator II Black/Machined 18x9

2018 Solitude 310GK fifth wheel with a 12' Haulmark tag trailer to haul toys in.

1997 Jeep TJ, Currie 8.8 high pinion axles front and rear with ARB air lockers, 4.56, 5 on 5.5 with warn hub kit, Atlas II transfer case with Klune V doubler, 4 inch Currie Lift and 35x12.50x15 Mickey Thompson MTZ on 15x10 Mickey Thompson wheels, Ramsey 9500 winch, hydraulic ram assist steering, on board welder and on board air, custom aluminum fuel tank.
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Old 09-23-2019, 11:00 PM   #9 (permalink)
D.Camilleri
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Truck goes in to the dealer tomorrow to fix the glow plug issue. I will try to get more info on the logic. My gut tells me #1 glow plug is toast, but service repair is to reflash the glow plug control module first. We shall see.
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2017 3500HD CCLB Black on Black LTZ Loaded L5P, Banks Derringer with I dash, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cooper STT PRO 285/65R18 and Vision Manic wheels. 2nd set of tires and wheels, Cepek Trail Country EXP 285/65R18 on Ultra Predator II Black/Machined 18x9

2018 Solitude 310GK fifth wheel with a 12' Haulmark tag trailer to haul toys in.

1997 Jeep TJ, Currie 8.8 high pinion axles front and rear with ARB air lockers, 4.56, 5 on 5.5 with warn hub kit, Atlas II transfer case with Klune V doubler, 4 inch Currie Lift and 35x12.50x15 Mickey Thompson MTZ on 15x10 Mickey Thompson wheels, Ramsey 9500 winch, hydraulic ram assist steering, on board welder and on board air, custom aluminum fuel tank.
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Old 09-26-2019, 11:24 PM   #10 (permalink)
D.Camilleri
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Glow plugs were fine. Glow plug module was reprogrammed with updated software and all is good!

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2017 3500HD CCLB Black on Black LTZ Loaded L5P, Banks Derringer with I dash, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cooper STT PRO 285/65R18 and Vision Manic wheels. 2nd set of tires and wheels, Cepek Trail Country EXP 285/65R18 on Ultra Predator II Black/Machined 18x9

2018 Solitude 310GK fifth wheel with a 12' Haulmark tag trailer to haul toys in.

1997 Jeep TJ, Currie 8.8 high pinion axles front and rear with ARB air lockers, 4.56, 5 on 5.5 with warn hub kit, Atlas II transfer case with Klune V doubler, 4 inch Currie Lift and 35x12.50x15 Mickey Thompson MTZ on 15x10 Mickey Thompson wheels, Ramsey 9500 winch, hydraulic ram assist steering, on board welder and on board air, custom aluminum fuel tank.
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