NHTSA To Require Tire Monitors in 2008
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NHTSA To Require Tire Monitors in 2008
NHTSA To Require Tire Monitors in 2008 - - Source: The Car Connection
The National Highway Traffic Safety Administration (NHTSA) has ruled that the tire-pressure monitor systems it previously announced will be required by the 2008 model year, according to the Associated Press. The NHTSA developed the tire-pressure rule in response to the Ford/Firestone tread separation recall of 2000, in which underinflated tires were blamed in 271 deaths and hundreds of injuries. The new systems will report if a tire falls 25 percent low on air pressure in the form of a dashboard light. The agency estimates the devices will cost about $50 to $70 per vehicle, the AP adds. All vehicles weighing less than 10,000 pounds will be required to have the systems by the 2008 model year.
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Race Director
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From: Orlando, Fl
Some intersting info from the NHTSA site about this:
"The final rule provides that compliance testing for FMVSS No. 138 will be conducted on a specific test course, namely the Southern Loop of the Treadwear Course in and around San Angelo, Texas."
The above means that you can go to the track to see the latest cars being certified.
"Subject to the special provisions discussed below, the phase-in schedule for FMVSS No. 138 is as follows: 20 percent of a vehicle manufacturer’s light vehicles are required to comply with the standard during the period from [INSERT DATE 180 DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER] to August 31, 2006; 70 percent during the period from September 1, 2006 to August 31, 2007, and all light vehicles thereafter."
Look for an extra idiot light on most 07 cars.
"The agency estimates that the average cost per vehicle to meet the standard’s requirements to be $48.44-$69.89, depending upon the technology chosen for compliance."
"Comments from vehicle manufacturers also suggested that in order to be technology-neutral and to permit vehicle certification with indirect systems, the under-inflation detection time should be extended in situations where the vehicle has two, three, or four significantly under-inflated tires; those comments argued that there is not a safety need for rapid detection in such cases, where under-inflation is likely to result from diffusion over a considerable period of time."
I assume this means that the ABS based method might still work.
"The final rule provides that compliance testing for FMVSS No. 138 will be conducted on a specific test course, namely the Southern Loop of the Treadwear Course in and around San Angelo, Texas."
The above means that you can go to the track to see the latest cars being certified.
"Subject to the special provisions discussed below, the phase-in schedule for FMVSS No. 138 is as follows: 20 percent of a vehicle manufacturer’s light vehicles are required to comply with the standard during the period from [INSERT DATE 180 DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER] to August 31, 2006; 70 percent during the period from September 1, 2006 to August 31, 2007, and all light vehicles thereafter."
Look for an extra idiot light on most 07 cars.
"The agency estimates that the average cost per vehicle to meet the standard’s requirements to be $48.44-$69.89, depending upon the technology chosen for compliance."
"Comments from vehicle manufacturers also suggested that in order to be technology-neutral and to permit vehicle certification with indirect systems, the under-inflation detection time should be extended in situations where the vehicle has two, three, or four significantly under-inflated tires; those comments argued that there is not a safety need for rapid detection in such cases, where under-inflation is likely to result from diffusion over a considerable period of time."
I assume this means that the ABS based method might still work.
Race Director
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From: Orlando, Fl
More from the NHTSA rule:
"Honda requested clarification as to whether it would be permissible to disable or to suppress the MIL when the TPMS sending units have been removed as a result of the replacement of the original equipment tires and rims with aftermarket components that are not compatible with the direct-sensing TPMS. Honda stated that it had previously received complaints from customers and dealers who encountered this situation and were confronted with a recurrent malfunction warning. The company expressed concern that if the MIL cannot be suppressed in these situations, consumers may become desensitized to MILs generally, which could have negative implications for occupant safety. NADA provided a similar comment.
We do not believe it is appropriate to permit disablement of the MIL when aftermarket tires and rims are installed on the vehicle that are not compatible with the continued proper functioning of the TPMS. In such cases, the TPMS MIL is performing its intended function. We believe that the MIL should continue to operate when tires and rims that are incompatible with the TPMS are mounted on the vehicle, not only to discourage such actions, but also to provide an ongoing reminder that the TPMS is unavailable to provide low tire pressure warnings."
"Honda requested clarification as to whether it would be permissible to disable or to suppress the MIL when the TPMS sending units have been removed as a result of the replacement of the original equipment tires and rims with aftermarket components that are not compatible with the direct-sensing TPMS. Honda stated that it had previously received complaints from customers and dealers who encountered this situation and were confronted with a recurrent malfunction warning. The company expressed concern that if the MIL cannot be suppressed in these situations, consumers may become desensitized to MILs generally, which could have negative implications for occupant safety. NADA provided a similar comment.
We do not believe it is appropriate to permit disablement of the MIL when aftermarket tires and rims are installed on the vehicle that are not compatible with the continued proper functioning of the TPMS. In such cases, the TPMS MIL is performing its intended function. We believe that the MIL should continue to operate when tires and rims that are incompatible with the TPMS are mounted on the vehicle, not only to discourage such actions, but also to provide an ongoing reminder that the TPMS is unavailable to provide low tire pressure warnings."
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