L5p bulletins, recalls and updated calibrations
i do work for a GM dealership as a diesel tech so when I come across any updated calibrations or fixes for issues I will let everyone know.
If you DO NOT UNDERSTAND what is being said in these bulletins I wont answer them, this is purely for information on the everything GM is doing with the l5p.
#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.
Involved Region or Country
Additional Options (RPO)
Equipped with ENGINE-DIESEL, 8 CYL, 6.6L, DI, V8, TURBO, DURAMAX (RPO L5P)
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:
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.
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.
Contact the engineer listed below to report findings and for further instructions.
Please include the following information if leaving a message:
– Technician name
– Dealer name and phone number
– Complete VIN and repair order (R.O) number
On the repair order, document the date and time the call was placed (even if the engineer was not reached).
If engineering is unable to return the call within one hour, proceed with diagnosis and repair based on information found in SI.
If engineer was contacted or required information was provided, use:
Engineering Information – Malfunction Indicator Lamp Illuminated with One or More Glow Plug Control DTCs Set
*This is a unique Labor Operation for Bulletin use only. It will not be published in the Labor Time Guide.
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.
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2006 LBZ, EFI Live from duramaxtuner.com/motor ops with transmission tuning(STRONGLY RECOMMEND), FASS 150 Titanium series, 3 inch MBRP downpipe, 4 inch MBRP free flowing exhaust system(factory muffler back on to kill the drone when towing), Egr blocked and turned off, trans-go shift kit Jr, Edge Cs 85100 for reading data, PPE FPRV race plug, more Mod's to come when cash is in my bank account!
Last edited by mebob2001; 03-13-2017 at 04:38 PM.