LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

scanned codes

Thread Tools
 
Search this Thread
 
Old 03-01-2004, 07:55 PM
  #1  
Registered User
Thread Starter
 
SLeeper94Z's Avatar
 
Join Date: Apr 2003
Posts: 532
scanned codes

51 Ecm Prom Error
72 Trans output speed sensor
does anyone know what i can do about these codes what there associated with espically the trans output sensor?
SLeeper94Z is offline  
Old 03-01-2004, 08:55 PM
  #2  
Registered User
 
shoebox's Avatar
 
Join Date: Dec 1969
Location: Little Rock, AR
Posts: 27,709
51 may be just a hiccup.

72 is Vehicle Speed Sensor loss (automatic transmission only). Check the connection first.

You may want to reset the PCM and see if either returns.
shoebox is offline  
Old 03-01-2004, 09:26 PM
  #3  
Registered User
Thread Starter
 
SLeeper94Z's Avatar
 
Join Date: Apr 2003
Posts: 532
72

would you think trans output speed sensor could make me not shift into 3rd gear like the car is slipping ? is this sensor replaceable , what you happen to have the part #.. thanks

Last edited by SLeeper94Z; 03-01-2004 at 09:44 PM.
SLeeper94Z is offline  
Old 03-01-2004, 10:51 PM
  #4  
Registered User
 
shoebox's Avatar
 
Join Date: Dec 1969
Location: Little Rock, AR
Posts: 27,709
72 is going to affect shifting. The PCM relies on the VSS for making shifts.

GM PART # 8673299 for 94-95 VSS
shoebox is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
aj2494
Computer Diagnostics and Tuning
7
03-12-2015 10:17 PM
Timberwolf
Midwest
12
08-18-2002 07:39 PM
91Bird305
3rd Gen / L98 Engine Tech
13
08-05-2002 08:42 PM
91Bird305
Midwest
15
08-05-2002 01:39 PM
LT1
LS1 Based Engine Tech
1
07-02-2002 08:27 PM



Quick Reply: scanned codes



All times are GMT -5. The time now is 05:16 PM.