Volvo AWD 850 Forum

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B2 code 122 (no speed signal) what does this mean ? 850 1994turbo

posted by  someone claiming to be lMrsha on  Sat Nov 10 08:43 CST 2001 [RELATED]


Pull code 122 from B2 socket, book said (speed not been above 35 km/h or no vehicle speed signal )

But that does this mean ?? do I need to replace some bad sensor ?? which one ?? or sensor need to be adjust ...

What is the sensor name ? speed sensor ?

where is the sensor location ??

Thank ...







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Re: B2 code 122 (no speed signal) what does this mean ? 850 1994turbo

posted by  someone claiming to be bob on  Sat Nov 10 09:30 CST 2001 [RELATED]

122 from cruise control test socket will ALWAYS be there UNLESS you first drive the car above 35kph, and then test BEFORE turning off the engine. If your speedo works, chances are the vehicle speed sensor is ok.






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