Having problems with your 2003 Oldsmobile Bravada ?

I have an 03 Olds Bravada. I have had it for about 4 years. The service engin light comes on and stays on. I have taken it in to serice and the code is almost always that I didn't fasten my gas cap tight enough. Also for the past several years I have had trouble with the speedometer going crazy. When I'm driving it will shoot up to about 40 miles more per hour than I'm actually driving. It will get stuck for awahile and then reset itself after several days. I have noticed that this occurs more o

Posted / edited by AnonymousUser on : 19-08-2019

Answers :

\015\012The problems/warning indicators u have are most likely not related and likely are all separate issues, they are each related to sensor failures and other issues such as defective wiring, each one of these problems that has turned on a light in the dash will set a fault code in the memory of the following control modules, the Body control module (BCM) and the Powertrain control module (PCM) and the Airbag diagnostic monitor, as far as the speedometer goes that may just be a defective speed sensor, the airbag light can be one of about a dozen components with a failure, the Service engine soon (SES) light can be turned on by a loose or leaking gas cap and about 200 other electronic problems within the system, each has it own distinct fault code, the poss defective parts are just to numerous and expensive to guess on, you could spend a $1000 on parts and not fix the problem, so what do u do here? u go to any GM dealer, they have very sophisticated diagnostic scanner that can read and test the system i mentioned for fault codes, then isolate the separate problems causing the warning light to come on, u don't have a shorted dash. I have been a mater tech in automotive electronic systems diagnosis and repair for 30+ years, whish i had a quicl answer for you, but there is none, just to many poss problem area's here.
Repair Help & Product Troubleshooting for 2003 Oldsmobile Bravada

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