I have a 06 Volvo vnl 430, cruise control not working only while the truck is in motion. While parked the cruise engages and the rpm only go up to 700rpm that's all. Clutch and brake pedal switches r good. Can anybody help me thank u.
06 Volvo vnl cruise control not working
Discussion in 'Volvo Forum' started by Danisuba19, Jan 11, 2013.
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seems to me you gotta VSS problems. Check VECU for fault codes. with Cummins Engine ECM is wired to auxilarry VSS so speedo keeps working with bad VECU VSS wiring. Start with fault codes first
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Well first of all forgot to mention the c/c didnt work since I got the truck then the engine brake went out and now my Speedo is dead it didnt happen at once that weird. I jave one code thats under info display and its givin me a code mid140 pid84 fmi9. Now the truck drives fine, no loss power RPMs r good, no idea, i.also replaced vss and still the. C/c didnt work.
Last edited: Jan 12, 2013
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rewire VSS directly to VECU
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I had a problem once with cruise control and discovered it was all connected to my Vorad. Once I got that figured out, it was all good...
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Vecu is under the fuse box I'm assuming I saw one diagram u have posted once. What exactly do u mean wire it directly. Thanks for the info reallr appreciate it.
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We had a problem once with cc not engaging on a 780, it may have been an 06 but can't remember. We were with U S Xpress at the time and getting a new 780 every six months. Anyways, after much going round and round with no success the solution was finally found by the volvo dealership in Indianapolis. Switch off and then restart the engine, release your air brakes and before you pull away press down on the brake pedal twice. Apparently Volvo had added a safety feature that unless the service brakes were confirmed to be operating the cc would not engage. The 'safety' feature did not last very long as it was deleted after numerous complaints.
CellNet and Sancastrese Thank this. -
Than you I will check it out on Monday. Off for the weekend. I appreciare the info.
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ok. I will post VEWCU diagram seen when I be home
CellNet and Danisuba19 Thank this.
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