Keep getting crank sensor code Po335

160,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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KEN COOLEY
  • MEMBER
  • 1 POST
Po335 is the code i keep getting. Replaced sensor 3 times with original ones all from different stores. Replaced pigtail and the 3 wires back to pcm. Battery both battery cables engine coolant sensor. Gmc replaced the PCM. And still having same problem. I'm lost i don't know what else to do. please help.
May 30, 2021 at 12:11 AM
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DANNY L
  • ✓Experienced Mechanic
  • 5,648 POSTS
Hello, I'm Danny.

Here is the information you requested. You might be having an issue with the ckp- crankshaft position sensor wiring circuit itself or an ecm- engine control module issue. Here is a wiring test tutorial:

https://www.2carpros.com/articles/how-to-check-wiring

I've attached diagnostic picture steps below on how to troubleshoot code P0335 on the truck. Let us know what you find and we'll go from there. Hope this helps and thanks for using 2CarPros.
May 30, 2021 at 7:57 AM
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