How to relearn a procedure on a GMC after changing?
Without resyncing, the PCM cannot properly determine the position of the crankshaft. The proper procedure for resyncing or relearning the crankshaft position is called the “CKP Variation Learn.”
When does the crankshaft position sensor need to be relearn?
The PCM needs to learn the variability of the Crankshaft Position Sensor to better detect misfire conditions. Whenever the PCM is replaced, the Crankshaft Position Sensor Relearn procedure needs to be completed. The Crankshaft Position Sensor Relearn procedure requires the use of a scan tool that has this feature equipped.
What kind of engine can I swap in a Silverado Sierra?
The Aluminum Blocked LC9 had the most AFM/DOD warranty issues from 2007.5-2013. About 92%+ of the total issues of AFM/DOD Failures in the 5.3L under 100,000 miles were the LC9. You can swap in a Gen4 6.0 or 6.2 if you want to go with a bigger engine.
What happens to the crank sensor on a GMC?
The crankshaft sensor on GMC vehicles is synced to the powertrain control module, or PCM. When the crank sensor is replaced, it must be resynced to the PCM. Without resyncing, the PCM cannot properly determine the position of the crankshaft.
Where is the PCM port on a GMC?
This port is situated underneath the dashboard on the driver’s side of the vehicle, to the right of the steering column. Power on the scan tool and select “PCM” from the main welcome menu.
Can a corroded ECM cause a car to fail?
If the wires to the transmission or fuel injectors become corroded, they can lose conductivity, leading to a failure. Fortunately, these issues can usually be resolved by replacing the corroded wires. If one of the wires shorts out to the frame, the ECM may fail entirely.
Without resyncing, the PCM cannot properly determine the position of the crankshaft. The proper procedure for resyncing or relearning the crankshaft position is called the “CKP Variation Learn.”
Is there a service manual for a GMC Sierra?
GMC Sierra service repair manuals More relating to GMC’s… American drivers want power and capability when they’re buying a pickup truck. And when it comes to towing strength, American A Buick is a classic car choice that’s been on the market for over 100 years. If you’re looking to buy GMC trucks have a long and rich history.
Are there any crank relearn instructions for cars?
These Crank Relearn Instructions may not apply to all vehicles. But they’re close to how it’s done on most cars. To perform the relearn, proceed as follows: Connect a scanner to make sure there are no trouble codes stored in the computer’s memory.
The crankshaft sensor on GMC vehicles is synced to the powertrain control module, or PCM. When the crank sensor is replaced, it must be resynced to the PCM. Without resyncing, the PCM cannot properly determine the position of the crankshaft.
Is the GMC Sierra SLT a heavy duty vehicle?
Available on 2021 base Sierra HD. Standard on SLE, SLT, AT4 and Denali 2021 trims. Read the vehicle’s Owner’s Manual for important feature limitations and information. Excludes other GM vehicles. Requires available accessory trailer camera and installation. Not compatible with all trailers.
What kind of trailer does a GMC Sierra 3500 need?
Requires Sierra 3500 HD Regular Cab Long Bed 2WD DRW with available Duramax 6.6L Turbo-Diesel V8, Max Trailering Package and gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner’s Manual.
What kind of engine does a Sierra 3500HD have?
The 30,990 lbs. rating requires properly equipped Sierra 3500HD Crew Cab Long Box 4WD DRW with available Duramax 6.6L Turbo-Diesel V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual.
What are the features of a GMC Sierra?
Key Features: 1 Best-in-class towing at 36,000 lbs † (1) 2 Best-in-class heavy-duty cargo bed volume 3 First-ever heavy duty in its class offering Allison ® 10-speed Automatic Transmission with available 6.6L Duramax ® Turbo-Diesel V8 engine 4 Available ProGrade Trailering System with in-vehicle Trailering App† (12)
Where does the block heater go in a GMC Sierra 1500?
. this will depend on the Brand & Type you use. GM installs the Block Heater in the Freeze / Expansion Plug hole, by the Oil Filter. It is a Rubber / Metal type, that when you tighten the Nut on the Block Heater, it expands the Rubber into the Freeze / Expansion Plug hole to seal it.
This port is situated underneath the dashboard on the driver’s side of the vehicle, to the right of the steering column. Power on the scan tool and select “PCM” from the main welcome menu.
When did the Chevy 4.8L Vortec come out?
The 4.8 Vortec is a small-block V8 engine produced by General Motors from 1999-2013. The engines spanned from Gen III to Gen IV of the Vortec series before being phased out after 2013 in favor of the 5.3 Vortec with Active Fuel Management. The 4.8 Vortec had three different variations throughout its lifespan: LR4 (Gen III)
Is the GMC Sierra V6 the same as a V8?
And as stated, it’s the same system.. maybe a little V6 doesn’t have the same issues as a real truck engine like a V8, so you can keep your dealer/Gov’t regulation of power on your truck… The thing is it’s not just a GM problem. Most of the manufacturers are having troubles with AFM.
How to remanufacture a GMC Sierra 1500 engine?
Use the fitment form at the top of the page to select your exact year and engine type for your GMC Sierra 1500. Remanufactured Engines are completely disassembled & put through the same process every time.
Why do I lose power on hills GMC Sierra 1500?
2000 gmc sierra 4.3 shows lean feul but can not find how or where to look 4 people found this helpful. my 2000 sierra starts good and ideals good the only thing that shows up on the scanner is the fuel is lean everything else shows good pls help 3 people found this helpful. Bad spark control module people…….that’s the problem….
Can a PCM be installed in the same car?
Many PCMs appear to be exactly the same on the outside (same sized box and connectors) but may be wired or calibrated differently inside. If the wrong PCM is installed in a vehicle, it may run but probably won’t run well. Close enough isn’t good enough when it comes to replacing PCMs. It must be the correct replacement for the application.
When does ECM / PCM need to be reprogramed?
Then, confirm that the engine immobilizer system (security system) is not activated thus preventing the car from starting. If the immobilizer… If your vehicle uses DOT 5 (silicone-based) fluid, the flush interval is much, much longer than 2 years or 32,000 miles.
What kind of car is 2004 Pontiac Grand Prix?
Autotrader has 54 Used Pontiac Grand Prix cars for sale, including a 2004 Pontiac Grand Prix GT, a 2004 Pontiac Grand Prix GT Sedan, and a 2004 Pontiac Grand Prix GT w/ Drivers Package.
Who is the owner of the Pontiac Grand Prix?
2004 Pontiac Grand Prix Owner ManualM GENERAL MOTORS, GM, the GM Emblem, PONTIAC, the PONTIAC Emblem and the name GRAND PRIX are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed.
Is the Pontiac Grand Prix a registered trademark?
GENERAL MOTORS, GM, the GM Emblem, PONTIAC, the PONTIAC Emblem and the name GRAND PRIX are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed.
Can a PCM be reprogrammed in a car?
We can reprogram the PCM in your car if you bring the car to us. Or we can reprogram your core in one business day if you ship it to us. **** The manual timing adjustment feature requires the purchase of a “Happy Knob”, Casper’s Timing Commander or other timing control device to be connected via the IAT analog input channel.