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Old 07-29-2017, 02:32 PM   #1
bz1lvn
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Default 2008 Vue C0045 Left Rear Wheel Speed Sensor Code

Hello...Our 2008 FWD Vue with 100K mile tossed an ABS, Traction and Stability code the other day. Borrowed a Tech II which showed C0045 code. Did some research and tried the following: Brake fluid level was near max line. Raised rear of vehicle and checked both rear right and left tire/wheel for play/looseness and both seemed ok and the same side to side (so wheel bearings are ok...maybe). Could not hear any wheel bearing howl over the brake grinding noise (yep...needs new rear pads and rotors). Removed tire/wheel (nothing else) and inspected connectors and wire bundle as much as possible. Nothing obvious. Connector X408 did not appear to have any corrosion or water issues. Did not remove any brake parts yet so could not get to WSS. Checked resistance with DVM on WSS connectors: Left ~ .066 M Ohms, Right 5.25 M Ohms; both sides "beeped" on continuity check. So right side to left side looked different. Also tried to read VAC at connector while spinning wheel. Did not see DVM reading flicker off of 0.0 on either side. So confused at this point as hoping voltage check would also have pointed to issue on left side. Ideas?? Thanks.

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Old 07-30-2017, 01:58 PM   #2
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Default Re: 2008 Vue C0045 Left Rear Wheel Speed Sensor Code

Rock Auto has rear wheel speed sensors, left or right for $24. I would buy one and switch it out.

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Old 07-30-2017, 02:40 PM   #3
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Default Re: 2008 Vue C0045 Left Rear Wheel Speed Sensor Code

Here's one site explaining wheel speed sensors in general and how they may be diagnosed with a multimeter; http://www.aa1car.com/library/diagno...ed_sensors.htm. With varying ac voltage outputs, a left/right comparison is a one way to troubleshoot. Resistance of each sensor is another. With a reading of 0.066 ohms on the left sensor, this is basically a short (0.00). Try the right wheel sensor again for signals or the front sensors, spinning each wheel to have the machined teeth go by a sensor in order for the sensor to generate ac pulses. According to aa1car.com, ac voltage is less than 1 volt.

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Old 08-11-2017, 11:14 AM   #4
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Default Re: 2008 Vue C0045 Left Rear Wheel Speed Sensor Code

Thanks for the feedback. Ended up getting WSS replaced at local garage and issue fixed.

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