Eng loses speed,speedo no work.mechanics computer checked car twice says everything ok except eng computer gets hot.replaced computer ,problem persists. mechs say they checked wring and relays,says ok.does computer do this?could they have missed something? willing to get new ABS module if I know thats the problem.itcosts some $.napa told me only 97 ABS module will be compatible (t or f). if not ,what other yr and make of any vehicles can I substitute. any help will greatly be appreciated ALOHA
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Mar 5, 2011 - Before guessing at transmission problems, check the fluid level (car warmed up, ... that do not show up as PCM codes (like shift A&B solenoid failures, for example). ... 1-2 shift is delayed and harsh, may not shift into OD: Check TPS for ...goes into 3rd gear: Reaction planetary is worn out due to high miles or ...
The Airbag and ABS are separate systems and un-related, the speedo is related to the ABS light, I think if you run a self test on the system computer there will be a trouble code for the transmission speed sensor, the output of this sensor is used by the ABS and the speedometer. The airbag is most likely a defective rotating contact under the steering wheel, we techs call it a clock-spring contact because of it's shape, it allows the connection from the steering column to the airbag. CAUTION! If you want to change out this contact the steering wheel needs to be pulled, follow factory recommendations on dis-arming the airbag, it can be very dangerous if you don't.
hello , it sounds like you have a bad speed sensor or all 4 of them , see when the speedo plays dead like that is because (most cases ) the sensors at the wheels are bad due to water and normal driving corrosion , the data for the speedo comes from the abs module that monitors the sensors if the abs does not reed it the speedo will not reed it aswell , it will be good to scan the vehicle to see if you need more than 1 sensor there is one in each tire axel ,good luck