GM OBD1 code 12? It means your engine's RPM signal isn’t detected during cranking. Common causes include a faulty crankshaft position sensor, defective wiring, or a malfunctioning ignition module. Haynes Manuals helps you diagnose and fix the problem step by step. Find your GM manual today at haynes.com. #HaynesManuals #HaynesShowsYouHow #GMRepair | Haynes Manuals

Can I use OBD2 on OBD1?

GM Programming Walkthrough With the mandatory data sharing law recently passing in the senate, we are on the cusp of legitimate manufacturer data access. An important aspect of this is access to calibration files to carry out repairs with software updates, as shown here as we walkthrough how to update a PCM on a GM product. To join TaT visit www.tat.net.au/social.html Capricorn Society | The Automotive Technician

How to Read Engine Codes without a Reader ? | Rx Mechanic

How to use vehicle code reader! #codereder #scaningtools #OBD #faltcode #upgradedmechanic | Upgraded Mechanic