Question about 2003 Chevrolet Silverado 2500HD
First things first check to ensure the correct fluid level and condition. If low or contaminated top up or change. Also check for any DTC in the computer either active, or pending to ensure that no other problems are evident. If codes exist repair them first. Make sure any parts that are replaced are actually at fault for the codes, test the circuits and components then replace the faulty parts, don't just rely on the code to tell you what component is at fault. Also some models of these trucks had problems with the range selector switches or neutral safety switches on side of the transmission. may not be your problem but could give ya something to think about. As always check for problematic cables, wirings and connectors for corrosion, etc. also ensure that the new speed sensor is torqued down properly, and that the right one was replaced, as many transmissions will have 2 or 3 speed sensors for things like input and output shaft speed sensors, and vehicle speed sensors. hope this will help you. good luck
Posted on Feb 07, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
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car not changing gears it can be shifter assembly issue, or it can also be
transmission issue. Get the shifter assembly inspected with ignition OFF.
more troubleshooting, I suggest you to get the Following help link checked, its
complete step by step procedure to inspect gear shift issues: -----
GEAR SHIFT ISSUES
These will help.
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