WebP0621 - GM. Type. Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled. Description. Generator 'L' Terminal Circuit Conditions. Cause. Key On Test No CKP, … WebOBD-II Code P0621 is defined as a Generator Lamp/L Terminal Circuit The Alternator recharges the Battery when the engine is running. The Alternator is controlled by the …

P0621 Cadillac Code - Generator Lamp L Control Circuit Malfunction

Web What Does the P0621 Code Mean? The Engine Control Module (ECM) uses the Generator turn ON control circuit to control the load of the generator on the engine. A … Web What Does the P0621 Chevrolet Code Mean? The Engine Control Module (ECM) uses the Generator turn ON control circuit to control the load of the generator on the engine. A … does susan cowsill have children

P0621 Saturn Code - Generator Lamp L Control Circuit Malfunction

WebJul 15, 2024 · Labor: 1.0. The cost of diagnosing the P0621 Buick code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. WebApr 22, 2009 · P0621 Generator L-Terminal Circuit it was brought up on a scan on a 06 LBZ Thanks 2006 Silverado LBZ CCSB 5" straight pipe - Lift pump - PCV reroute, EGR delete, Profab Y-bridge kit 2006 Silverado LBZ ECSB - BatMo s475 - DA built trans - Exergy 60 overs - EFI/DSP5 and supporting mods (SOLD) Thanks to Dustin at Diesel Addiction. WebJun 1, 2016 · Drove great but the battery light came on and the DIC reads "Batteries not charging" Edge displays code P0621 "Generator L-Terminal circuit" I clear the code with the Edge insight. They still say its my batteries. Multimeter and Edge both say the alternator is putting out 14.4 Volts I shut it off and then check the each battery. facial firming machines