code P1643 - Chevy and GMC Duramax Diesel Forum
2013年9月1日 · 2004 lb7 ccsb 4x4. Efi live tuned by Rob at ATP, Built trans by Brad at Calvins Auto, Wehrli custom fab s475/stock twin turbo kit, ARP head studs, tie rod sleeves, cognito idler/pitman arm braces, cognito traction bars, airdog 165, turbo horn, LML driver side manifold, cat fuel filter adapter 1r-0749, installed cab lights and tow mirrors.
Code P1643 6.5 stalling - Diesel Place
2019年9月24日 · P1643-Wait to Start Lamp Control Circuit Verify your Glow Plug relay has 12v. going into and 12v. out to the glow plugs. If the relay is bad replace with AC/Delco Brand only. Go through all grounds. clean each one and make sure they are …
6.5L fault Code P1643 Wait to Start Lamp Control Circuit
2010年3月11日 · Had a problem with the Glow Plug relay and had to install a bypass circuit and now keep getting code P1643. Keep clearing the code and each time I start up again it reapears. Has anyone had a similar problem or can anyone offer me some comments, the Truck runs okay just do not want the check engine light on all the time just in case I have ...
P1643 Engine Speed Output Circuit, Trans Stuck In Limp Mode
2017年10月18日 · P1643 Engine Speed Output Circuit, Trans Stuck In Limp Mode Jump to Latest 7.3K views 7 replies 2 participants last post by jc1843 Nov 29, 2017
Now I have Code P1643??? - Diesel Place
2005年7月27日 · 98 (S)K1500,IC,3.73 gear,4L80,Heath 4"exh,Amsoil air & bypass oil flts,Heath fan clutch,Stans Xover,pilar mtd BST/EGT/TRN,remote 12v fan tran cool,PML trans pan, PML diff cover, Hi pops, Heath PCM,Heath remote FSD, HDP Balance Flow, Heath lift pump, SSBC front calipers, EGR rear disc conversion, Goodrich brake lines, No-Slip locker, Roadmaster suspension, Lube specialist oil lines, Putnam lock ...
PINPOINT TEST E : P1642; P1643; P1797: CAN NETWORK MALFUNCTION, ECM TEST CONDITIONS DETAILS/RESULTS/ACTIONS E1: CHECK THE ECM FOR DAMAGE Inspect the ECM. Does the ECM indicate any signs of damage? Yes Please check part is not on any form of prior authorisation before replacement. No GO to E2. E2: CHECK CAN + …
Wait to start light P1643 | Chevy and GMC Duramax Diesel Forum
2021年10月6日 · Wait to start light P1643 Jump to Latest 2.9K views 1 reply 2 participants last post by Ron Nielson Oct 8, 2021
New code p1643 | Chevy and GMC Duramax Diesel Forum
2011年1月22日 · P1643 Engine Speed Output Circ Could be a speed sensor... are you getting a check engine light? The ECM's on these trucks seem to get confused easily from the littlest things. I'd recommend resetting the code and seeing if it comes back. You'll get erroneous codes from time to time with nothing wrong with your truck.
P1643 after cleaning a couple grounds - Diesel Place
2019年3月18日 · 2005 duramax lly 1999 suburban 6.5L 1999 k3500 dually 6.5L Front end completely rebuilt 1989 k2500 5.7L (Rest in peace.
Sometimes won't start P0650-P1643 - Chevy and GMC Duramax …
2015年11月1日 · Once it does fire it throws P0650 and P1643. I assume I have something wiring going on under the dash, does anyone know what wires I should be looking at to trace this problem in relation to the codes, I found a white wire on the brake pedal that has been spliced into but I don't feel like that would cause these codes, any help would be ...