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Bad BCM. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. Bad BCM. Nov 12 2017, 2:47am. 2003 2500hd 4x4 6.0 ext cab auto. All power Last week some of my cluster stopped working. I have speed, RPM. Bat, temp, fuel, oil, trans temp are dead, bat, airbag and brake lights on. Your cluster problem is a loss of communication with the PCM on. This problem could be the BCM which is located under the dash on the drivers side. But I would start by checking 5 fuses that could be causing the problem as well. IF the fuses are good the BCM is probably bad which you can replace but it may need to be programmed to work correctly. Here some guides and diagrams to help you get the problem fixed Background: I recently purchased a non-running 2003 Chevy Silverado 2500HD 4x4 ext cab with the 6.0 and Ive been working to diagnose the problem. I have no signal on the Class 2 serial data line, thus no communication with a code scanner. Following the troubleshooting steps I have isolated the BC.. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. Electrical issue; BCM problem or loose ground ? Dec 05 2011, 1:46am. I have a 2004 Silverado 2500 HD. I recently noticed that every time my wipers activate or I have them on delay my rearview mirror compass and temp as well as the power to it reset or turn off then back on, this doesn t. Could it be a problem with the BCM? Show More. Show Less. Ask Your Own Chevy Question. Chevrolet Silverado 2500 HD LTZ: 2009 2500 HD chevy silverado. I have a 2003 Silverado 1500 with the Automatic headlight function. Lately the highbeam indicator (blue).
1,010. Report. Follow. Asked by Jaidenspapa Jan 07, 2014 at 12:42 PM about the 2003 Chevrolet Silverado 1500 LS Extended Cab LB 4WD. Question type: Maintenance & Repair. I am having issues with my 2003 Silverado. it started out with the abs and parking brake light flashing with the audible chime. this happened briefly and intermittently. it. I have a 2003 Chevy silverado, with a whole lot of problem. I have a 2003 Chevy silverado, with a whole lot of problem. First and most important is if it sits for more than 3 days the battery dies like it has a draw somewhere. And finally the hvac control has to b turned of manually when u kill the truck..... I have replaced the bcm and. 2009 chevy silverado crazy electrical issues, the problems I had, and the resolution to repair it back to normal. Hope this helps anyone who is going crazy w..
I have a 2003 Silverado Z71, it has had this problem. Called 3 Chevy dealers, they deny that any problem of this nature exists. I have replaced the battery twice and two new alternators installed The a/c problems are not related to the BCM however. This is a control issue with the a/c actuators being worn and the feedback is out of normal limits. Hello, I was driving my 2003 Chevy Silverado the other day and it suddenly acted as though it ran out of gas and it died out. I put in a gallon or two of gas and it still would not start Before we get into some of the Bad Body Control Module Symptoms , you need to understand what the body control module does. The BCM, is the body computer that checks in on many of the vital systems of the car and controls theme from a centralized hub The BCM doesn't have anything to do with the operation of the power windows. The only REMOTE contact that the BCM has with window operation, is that it activates the RAP relay. If the RAP relay is not activating, the wipers will not work at the same time that the windows won't operate. The BCM has little to do with the operation of the door locks
46 Posts. Discussion Starter · #11 · Jan 15, 2015. So here is an update to my BCM saga. I got the new Body Control Module installed and programmed it with my VIN and the truck did the same thing with my dash lights staying on and the Radio not turning on when you put the ignition in the ACC position Applicable for. This listing is for part number 15136876 BCM that is programmed/flashed for your vehicle with the newest updates from gm using your VIN to match your vehicle. After you purchase the BCM you will need to provide us with your VIN so we can program the BCM before we ship it to you. This computer will fit the following part numbers.
. Over the past year, everybody has probably glanced over my posts with the problems... (Dimming/surging of the electrical systems which causes my truck to go crazy). I can drive down the road and create a sur.. This listing is for part number 15116066 BCM that is programmed/flashed for your vehicle with the newest updates from GM using your VIN to match your vehicle. After you purchase the BCM you will need to provide us with your VIN so we can program the BCM before we ship it to you. This computer will fit the following part numbers: 10383536. Joined Jul 12, 2010. ·. 17 Posts. #2 · Feb 10, 2012. You probably have the correct part number ordered. That should be the base hardware. The part number you see on the unit in your truck is for the base hardware and the software for your VIN. You will need to program the VIN into it. A Tech-2 is required
Step 6: Erasing the code. After noting the code, now use the up and down arrows to manipulate through the options and click on the Erase Codes option. Now, you can start the engine of the Silverado to check whether the Check engine lights are illuminating or not. This way, you can easily reset your Chevy Silverado's computer Re: Body control module. Dec 29 2014, 11:09pm. You can get your free oil changes at any dealer if they are 2 yr/24,000 ones. But instead of disconnecting the battery each night, try locking your truck by locking the doors by hand and don't use the fob. This should keep the truck locked up but not arm the alarm system
Re: 04 Silverado 1500 Electrical Problem. Dec 14 2011, 10:45pm. If that don't work may be the BCM. (Body Control Module) ground or the whole unit going bad. I believe its at the base of the steering column just under dash above the brake pedal. Other than checking the connection s 2003-2006 Chevrolet Suburban, Tahoe, Avalanche, GMC Yukon & Sierra, Cadillac Escalade, 2003-2007 Silverado Classic Luke Lambruschini November 02, 2016 20:32. Follow. Locate the BCM . The BCM is in the dash directly under the steering column. Remove the Trim panel. Then behind that is the BCM. Disconnect the Lt Blue connector first 2003 Chevrolet Silverado TSBs 628 Silverado Technical Service Bulletins. Technical Service Bulletins, or TSBs for short, are notifications made directly by Chevrolet to help automotive technicians diagnose and repair commonly reported Silverado problems The Chevy Silverado is a workhouse of a pickup truck. The 2500HD and 3500HD models are made for towing heavy loads. The Chevy Silverado 1500 is the more passenger friendly version that benefited from a redesign in 2007. Luckily, the electrical systems of all Silverados hit more than they miss. Still, it pays to know. 2003 chevy silverado fuse box diagram - welcome to my web site, this message will certainly discuss about 2003 chevy silverado fuse box diagram. We have collected lots of pictures, ideally this picture works for you, and also help you in finding the response you are trying to find. Description : Back Lights Are Out O
I have a 2004 Chevrolet Silverado 1500 ext cab. All my gauges including odometer/gear read out have stopped working. The lights within the gauges still active. But all are on zero with no movement. Is this likely to be the cluster, fuse or a singular wiring issue? Thank so much in advance So when Chevrolet Forum member tcup1851 couldn't figure out why the door ajar light wouldn't go away in his Silverado pickup, he did the smart thing and posted a query in the forums. Clearly, he isn't the only one having the same problem. Several folks chime in, including TpnTx, who's in the middle of trying to figure it out himself 2003 Chevrolet Silverado Relay Block. 2003 Chevrolet Silverado Fuse Diagram for Underhood fuse box. STUD # 1 40A Trailer Wiring, Automatic Level Control (ALC) Compressor Relay MBEC 1 50A SEAT CB. RT DOOR CB BLOWER 40A Blower Motor LBEC 2 50A LOCKS Fuse. DDM Fuse, PDM Fuse, ECC Fuse, AUX PWR 2 Fuse STUD #2 30A Trailer Wirin . I have a 2003 Chevy Silverado and the battery not charging light blinks even though I have replaced the alternator and have had all tested and works fine, I also realized my radio no longer cuts off automatically when I shut off and open the door. Is the PCU bad the wires from the Alt. seem fine Silverado electrical problem 4 Answers. I have a 2003 Chevy Silverado 5.3 z71 extended cab. Problem is that when ever I try to use a/c,heater, roll the windows up or down, and most things that require electricity to funktion like even.
2003 Chevrolet Silverado 3500 transmission problems with 49 complaints from Silverado 3500 owners. The worst complaints are power train:automatic transmission, power train:automatic transmission. I purchased a 2003 chevy silverado lt manufactured in nov 2002, for the past yr and a half the truck has been in and out of the shop numerous times for electrical problems, my outside temp and direction indicator located on the rear view, the heated seats, the remote entry have all stopped working and sometimes the stereo will come on and work. Computer problem 2002 Chevy Malibu 6 cyl Front Wheel Drive Automatic How do I replace a body control module in a 2003 chev malibu Was this . answer. helpful? Yes. No +1. Wednesday, March 27th, 2019 AT 2:05 PM (Merged) Remove the body control module (BCM) (2) Chevy Silverado DLC Diagram Description: Pin 2 is the circuit main data bus wire link. It's like the communication messenger between all the modules used in the vehicle. Both ECM and BCM are connected together by red wire making these 2 modules a two-wire connection.Dlc Wiring Diagram | Wiring Librarychevy truck wiring diagram chevy truck. . (Page 1 of 3) CarComplaints.com : Car complaints, car problems and defect informatio
2003 CHEVROLET SILVERADO 2500HD 4X4 PICK-UP TRUCK WITH ERRATIC SPEEDOMETER READINGS. SPEEDOMETER WILL READ 20-70 MPH WHEN THE VEHICLE IS STOPPED, AND WILL EITHER READ 120 MPH OR 0 MPH AT HIGHWAY SPEEDS. ABSOLUTELY A SAFETY PROBLEM, AS THE SPEEDOMETER IS UNRELIABLE. TL* - THE CONTACT OWNS A 2003 CHEVROLET SILVERADO The BCM is common between low and high speed GMLAN, it's able to talk on both data circuits. The module reporting the code is usually not the problem. I'd like to say this is a wiring issue but in the time I had to look at schematics, I didn't see a common place for those circuits. X206 can have problems and do goofy stuff Recall List for the 2003 Chevrolet Silverado. Official recalls have been issued for the 2003 Chevrolet Silverado by the NHTSA. The complete details of all recalls are listed below, along with what.
Asked by roatanmarine Jan 09, 2015 at 09:41 AM about the 2003 Chevrolet Silverado 1500 LS Extended Cab LB 4WD. Question type: Maintenance & Repair. Greetings: My 2003 Silverado has no dash guages, no radio, no driver door controls, no response to remote entry, and 2 amp draw on battery even when truck is off 2003 Silverado Trailer Wiring Diagram - People comprehend that trailer is a vehicle comprised of rather complicated mechanics. This automobile is designed not just to travel one place to another but also to carry heavy loads. This guide will be discussing 2003 silverado trailer wiring diagram.What are the benefits of knowing such understanding The Chevrolet Silverado 2500 HD Reliability Rating is 3.0 out of 5.0, which ranks it 9th out of 17 for fullsize trucks. The average annual repair cost is $936 which means it has poor ownership costs. While the severity of repairs is high, the number of those issues is low, so major repairs are infrequent for the Silverado 2500 HD The 2003 trucks dont have the click back for acc. To explain what run means. 1st click acc. 2nd click is run. 3rd is crank. My truck is cranking on the second click. And wont start till i put the key in the 3rd position then it clicks back 2nd and runs. Side effect i noticed was the 4x4 light was on, my truck is 4x4 (manual transfer case) but.
One year replacement warranty. This listing is for part number 22860591 BCM that is programmed/flashed for your vehicle with the newest updates from gm using your vin to match your vehicle. After you purchase the BCM you will need to provide us with your vin so we can program the BCM before we ship it to you A new body control module (BCM) must be programmed with the proper RPO configurations. The BCM stores the information regarding the vehicle options and if the BCM is not properly configured with the correct RPO codes, the BCM will not control all of the features properly. The Tech 2 software will automatically prompt you with the RPOs available. I need a bcm module wiring diagram for a 20056 chevy silverado 2500 answered by a verified chevy mechanic. Body Control Module Wiring Diagram Wiring Diagram Schematics As you have probably already observed there are 8 wires sticking out of the electronic throttle body. Gm body control module wiring diagram. Throttle actuator control tac module
2006 Chevrolet Silverado 1500 LS, ECM/Inputs/Outputs Schematic I got some activity when jumping pin D to pin M (BCM) 2006 Chevrolet Silverado 1500 LS, ECM/Inputs/Outputs Waveform The other pins stayed at 0V, except for pin K. Pin K jumped up to a steady 11V 2006 Chevrolet Silverado 1500 LS, ECM/Inputs/Outputs Waveform indicating to me that this. Hey everyone, I have a problem with the battery draining on my 2001 Silverado 2500 HD. After about a week the battery drains so far that even the dome lights won't come on. Battery and alternator test good. So I put my amp meter in series with the negative side to measure the current draw..
2003 Chevy Silverado Wiring Diagram - 2003 chevrolet silverado wiring diagram, 2003 chevy 1500 wiring diagram, 2003 chevy silverado electrical diagram, Every electrical arrangement is made up of various different components. Each part should be set and connected with different parts in particular manner. Otherwise, the arrangement won't function as it should be Check Engine Light Indicated Problem. 8.3% of 2003 Chevrolet Silverado 1500 owners surveyed reported this issue. 5.1% of all Large Pickup owners complained overall. 8.2%. 6.7% The 2003 Chevrolet Silverado 2500 has 960 problems & defects reported by Silverado 2500 owners. The worst complaints are engine, accessories - interior, and brakes problems