m1ke 
Member 
 
Registered: 9th Sep 05
 Location: Tewkesbury 
User status: Offline 
 
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have two fault codes on my corsa first one is "21" throttle potentiometer signal voltage high and the second one is "38" oxygen sensor 1 voltage low intermitent.  its x20xev in a corsa b  any one got any ideas how to get these fault codes out it is the sensors ? 
 and also the battry is only charging between 12.4 - 12.8v is this to low ?  
many thanks  
Mike  
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little_duke 
Member 
 
Registered: 21st Aug 06
 Location: Tamworth,staffordshire Drives: rover coupe 
User status: Offline 
 
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buy the sensors that are broke maybe?if not,reset your ecu by taking the + off your battery for 20 minutes
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m1ke 
Member 
 
Registered: 9th Sep 05
 Location: Tewkesbury 
User status: Offline 
 
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is it defnatly those sensors that are broke ? it doesnt meen anything else ? would disconnet battery but might mess my alarm up, lol 
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m1ke 
Member 
 
Registered: 9th Sep 05
 Location: Tewkesbury 
User status: Offline 
 
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any 1 ?
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Dean_W 
Member 
 
Registered: 13th Dec 05
 Location: Downham Market, Norfolk 
User status: Offline 
 
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Change the sensors.  If not, you'll keep getting the same codes.
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little_duke 
Member 
 
Registered: 21st Aug 06
 Location: Tamworth,staffordshire Drives: rover coupe 
User status: Offline 
 
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http://www.topbuzz.co.uk/ 
 
try here mate,find what engine code is your(c20xe,x16xe etc etc) 
 
then read the code off that engine 
 
the engine will be under what car it came out of i.e calibra astra cavalier 
 
 
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