Black Box on C5...need help...urgent
Thread Starter
Pro
Joined: Feb 2001
Posts: 620
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From: Columbia, SC, USA
Black Box on C5...need help...urgent
Do any of you guys now if GM looks at the black box when you take your car in under warranty with engine trouble?
Worried for a friend who might have over reved his car and don't know if GM will point a finger at him for over reving the car.
Worried for a friend who might have over reved his car and don't know if GM will point a finger at him for over reving the car.
Former Vendor
Joined: Apr 2001
Posts: 10,976
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From: FL
St. Jude Donor '13
Re: Black Box on C5...need help...urgent (vette-crazy)
Do any of you guys now if GM looks at the black box when you take your car in under warranty with engine trouble?
Worried for a friend who might have over reved his car and don't know if GM will point a finger at him for over reving the car.
Worried for a friend who might have over reved his car and don't know if GM will point a finger at him for over reving the car.
On the other hand,if you stored an emissions related fault code for some reason,we can tell the mph and rpm at the time of the fault,along with all other data parameters...That data is stored in the PCM history...
Race Director
Joined: Mar 2000
Posts: 17,602
Likes: 20
From: Palm City Florida
Re: Black Box on C5...need help...urgent (C-5 TECH)
Do any of you guys now if GM looks at the black box when you take your car in under warranty with engine trouble?
Worried for a friend who might have over reved his car and don't know if GM will point a finger at him for over reving the car.
No...The SDM (sensing diagnostic module) or black box which some call it for some reason,retains crash data at the time of air bag deployment only.
On the other hand,if you stored an emissions related fault code for some reason,we can tell the mph and rpm at the time of the fault,along with all other data parameters...That data is stored in the PCM history...
Worried for a friend who might have over reved his car and don't know if GM will point a finger at him for over reving the car.
No...The SDM (sensing diagnostic module) or black box which some call it for some reason,retains crash data at the time of air bag deployment only.
On the other hand,if you stored an emissions related fault code for some reason,we can tell the mph and rpm at the time of the fault,along with all other data parameters...That data is stored in the PCM history...
Not if cleared by an Autotap :D :D
[Modified by chuckster, 8:36 PM 10/7/2001]
Racer
Joined: Aug 2000
Posts: 414
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Re: Black Box on C5...need help...urgent (vette-crazy)
Info available at:
http://www.c5-corvette.com/gm_black_box.htm
http://www.c5-corvette.com/gm_black_box.htm
Le Mans Master
Joined: Apr 2001
Posts: 5,331
Likes: 39
Re: Black Box on C5...need help...urgent (chuckster)
Not if cleared by an Autotap...
chuckster,
Does the Autotap clear out the black box too or just the PCM/DTC?
There might be enough info from the DTC to cause some concern from the dealer. Holding the options button while pressing the fuel button quickly 4 times will display the codes (have pad & paper ready)
On one hand I say if I over-revved and bend a pushrod I should pay for that but on the other hand how can GM allow this to happen. Doesn't look like the fuel cut-off protects like a rev limiter would.
[Modified by Gary2KC5, 11:24 PM 10/7/2001]
chuckster,
Does the Autotap clear out the black box too or just the PCM/DTC?
There might be enough info from the DTC to cause some concern from the dealer. Holding the options button while pressing the fuel button quickly 4 times will display the codes (have pad & paper ready)
On one hand I say if I over-revved and bend a pushrod I should pay for that but on the other hand how can GM allow this to happen. Doesn't look like the fuel cut-off protects like a rev limiter would.
[Modified by Gary2KC5, 11:24 PM 10/7/2001]
Burning Brakes
Joined: May 2000
Posts: 801
Likes: 1
From: Tampa, FL USA
Re: Black Box on C5...need help...urgent (Gary2KC5)
No rev limiter on the planet is going to save parts from a mechanical over rev when shifting to a lower gear when looking for a higher one...
If ya wann play ya gotta pay.
If ya wann play ya gotta pay.
Le Mans Master
Joined: Apr 2001
Posts: 5,331
Likes: 39
Re: Black Box on C5...need help...urgent (1fastdog)
No rev limiter on the planet is going to save parts from a mechanical over rev when shifting to a lower gear when looking for a higher one...
If ya wann play ya gotta pay.
If ya wann play ya gotta pay.
Le Mans Master
Joined: Jul 2000
Posts: 7,758
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From: Fort Worth Texas
Cruise-In II Veteran
Cruise-In III Veteran
Re: Black Box on C5...need help...urgent (1fastdog)
No rev limiter on the planet is going to save parts from a mechanical over rev when shifting to a lower gear when looking for a higher one...
If ya wann play ya gotta pay.
If ya wann play ya gotta pay.
The tires tend to lock up when mis-downshifts happen (especially with the crappy stock shifter), and make the engine over rev.
