Check Engine When Handbrake On
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IdahoBob
- Posts: 97
- Joined: 16 Jan 2011, 21:33
- Year and Model: XC70 02, 04 & 08
- Location: Whitefish, Montana
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In the 2006 XC70, when I start the car if the handbrake is on (handle in the up position, parking brakes engaged) the brake light and the Check Engine Light (CEL) are on. When I release the handbrake the CEL goes off. When I stop the car and pull the brake on the CEL comes on. After I switch the engine off the CEL stays on for 15 (?) seconds and then goes off. Any good ideas on where to look, what to fix?
Idaho Bob
67, 71, 85, 98 wagons (sold)
78 coupe (gave to mechanic, thanks!)
02, 04 (X2) & 08 XC70's
before that: 67 Sunbeam, several pre-68 VW's, '41 Buick, '42 Ford Jeep, and some boring stuff
67, 71, 85, 98 wagons (sold)
78 coupe (gave to mechanic, thanks!)
02, 04 (X2) & 08 XC70's
before that: 67 Sunbeam, several pre-68 VW's, '41 Buick, '42 Ford Jeep, and some boring stuff
- abscate
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- Year and Model: 99: V70s S70s,05 V70
- Location: Port Jefferson Long Island NY
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Erik - this one is for you...

Bob - your 2006 is all CANBUS, very little analogue stuff left on these cars, every component talks to a control module somehow, so when things go bad, you do get a lot of weird things happening.
At first I thought you might have a simple wiring problem in the handbrake but that won't fly on an 2006.
My total wild guess is a fault in the DIM which is powering up the CEL when it shouldn't
Bob - your 2006 is all CANBUS, very little analogue stuff left on these cars, every component talks to a control module somehow, so when things go bad, you do get a lot of weird things happening.
At first I thought you might have a simple wiring problem in the handbrake but that won't fly on an 2006.
My total wild guess is a fault in the DIM which is powering up the CEL when it shouldn't
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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