Check Engine Light "Speed Sensor 'A' low output (P0502)

Thread Tools
 
Search this Thread
 
Old Feb 8, 2014 | 02:53 PM
  #1  
brucelee's Avatar
Thread Starter
Friendly Neighborhood Ogre
iTrader: (6)
 
Joined: Mar 2000
Posts: 19,930
From: www.gunatics.com
Car Info: GUNATICS.COM
Check Engine Light "Speed Sensor 'A' low output (P0502)

Anyone had this on their Subies?

I was at a red light, completely stopped when all the sudden my speedometer surged up to 60mph for no reason (not touching pedals). It was obviously an error because I wasn't moving...

About 2 mins later I get a check engine light.


Anyone run into this? I have a 2007 STi. This has never happened in any of my Subies.
Old Feb 10, 2014 | 02:01 PM
  #2  
joltdudeuc's Avatar
Old School
iTrader: (6)
 
Joined: Jan 2001
Posts: 14,983
From: Union City
Car Info: '99 RBP GM6
Check your battery and alternator homie.

Other than that, no clue.
Old Feb 10, 2014 | 03:00 PM
  #3  
apetron's Avatar
Registered User
iTrader: (21)
 
Joined: Jun 2007
Posts: 2,016
From: Oakland
Car Info: 07 STI Built/Widebody/E85/Rotated GTX3576 13 Fozz
Based on the code it sounds like the speed sensor is either going bad or isn't getting enough power.

Reading on multiple sites using your P0502 code and google it seems that the Speed Sensor in the transmission is not getting the signal it thinks it should.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
greenmeansgo
Suby Shopping & Maintenance/Warranty
4
Aug 10, 2007 09:47 PM
Tone
Engine/Power - non turbo (All non turbo Imprezas)
5
Jun 24, 2006 06:29 PM
gqchynaboy
Bay Area
2
Jun 11, 2005 07:07 PM
rash
Engine/Power - EJ20T (pre-2006 WRX and JDM)
10
May 17, 2003 12:32 PM
Rapid_Roo
Stereo & Security
7
Mar 10, 2003 07:14 AM




All times are GMT -7. The time now is 06:47 PM.