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LLorentzoe45 replied to the thread Service 4WD.New here, thanks guys. Very helpful. I wanted to reply but there’s too many people to thank. I’m having the service 4x4 light come up...
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LSo installed the new unmolested encoder motor and now it’s fully repaired! The new encoder motor was set to neutral. I selected 2wd and...
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LIts been in the single digits here in Colorado Springs (cold). My 2003 Tahoe was slipping up the drive in the snow (2wd) so I attempted...
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LHighly likely it's the encoder motor or, less likely, the wiring harness, but check the below video first. Encoder motors don't need to...
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LEither of those symptoms will call for a DTC, so you'll need a scanner that can read ABS and the 4wd codes. Otherwise you're in the...
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LWill try this and let you know thanks.
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Lbad hubs "should" throw a abs code way before a service 4wd error, my money is on poor connection somewhere or stuck solenoid or actuator
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LAlso, check the sensor wires at the front hubs and for play at the front hubs.
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Lalso with this check your harness's, could have worked it's way loose after driving a while, unplug, clean with crc cleaner and then...
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