Mar 14, 2012 · Thanks for info on p 540 code. where is actual intake heater. I am still getting code after replacing with ar 282 relay.

Dec 21, 2009 · 2001 LB7 code P0540 Just replaced all injectors. Service Engine light, remained on. Won't pass smog in California due to P0540. Where is the heater gizmo? Maybe I blew the …

Jul 25, 2018 · Hey guys, First post here and I'm hoping you can help. I have an 06' LBZ with about 115,000 on the clock. A few months back my check engine light came on and the dealer …

Dec 18, 2021 · LBZ throwing P0540 Code - Intake heater Jump to Latest 22K views 15 replies 5 participants last post by aaro9991 Feb 7, 2022 West1134 Discussion starter

Nov 16, 2011 · A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. Come join the discussion about duramax engines, performance, builds, …

Jul 25, 2018 · A few months back my check engine light came on and the dealer told me it was the PO540 air intake heater circuit code. They wanted about $600 to replace the control …

Nov 14, 2013 · I have a 06 LBZ with 67,800 miles. This is the second time I have received P0540 code (INTAKE AIR HEATER "A" CIRCUIT) in 2 weeks. Both times it happened it was cold in …

Jun 15, 2013 · Had the EGR deleted before and the related codes were turned off in the tune. Now I decided to fully delete the EGR, a few days later the cel came on with the Code P0540 …

Jul 25, 2018 · A few months back my check engine light came on and the dealer told me it was the PO540 air intake heater circuit code. They wanted about $600 to replace the control …

Aug 7, 2016 · Code PO540 Jump to Latest 2.4K views 3 replies 3 participants last post by jc1843 Aug 7, 2016 long-time-dmax Discussion starter