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When i turn on the parking lights the SID error: Rear Light Failure comes on, but as far as i can tell all the rear bulbs come on. Any suggestions? Thank you :)
 
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Hello Steelixjr, welcome to Saab Central.

This has been a common problem in the 9-5. The Car senses the electrical resistance in the bulbs, if there is a variation it assumes that the bulb has blown. One of your bulbs is obviously at the end of its life. The fix is to change the bulbs, but you must do this as a pair.. Its a cheap fix and you can keep the old ones for emergency spares :)


Finn :)
 

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I have exactly the same problem but all lights working. Haven't tried changing the bulbs but I'm sure it would work. Annoying...:(
 

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This has been a common problem in the 9-5. The Car senses the electrical resistance in the bulbs, if there is a variation it assumes that the bulb has blown. One of your bulbs is obviously at the end of its life. The fix is to change the bulbs, but you must do this as a pair.;)
 

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This has been a common problem in the 9-5. The Car senses the electrical resistance in the bulbs, if there is a variation it assumes that the bulb has blown. One of your bulbs is obviously at the end of its life. The fix is to change the bulbs, but you must do this as a pair.;):cheesy:
 

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Had a similar problem on my 9000, perhaps its the same diagnosis for the 9-5. Apparently the car senses the electrical resistance in the bulbs, if there is a variation it assumes that the bulb has blown. One of your bulbs is obviously at the end of its life. The fix is to change the bulbs, but you must do this as a pair.;):cheesy::cheesy:
 

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Andyaero said:
Had a similar problem on my 9000, perhaps its the same diagnosis for the 9-5. Apparently the car senses the electrical resistance in the bulbs, if there is a variation it assumes that the bulb has blown. One of your bulbs is obviously at the end of its life. The fix is to change the bulbs, but you must do this as a pair.;):cheesy::cheesy:
Is this the "how many elephants does it take to change a light bulb" joke? :cheesy:
 

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Also make sure that there is no corrosion on the metalcontacts inside the bulbholder, and that the contacts apply enough pressure to the bulb.
 
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