Code P1682 for a 2006 Chevrolet Trailblazer indicates a problem with the ignition switch-related circuits. Specifically, it suggests an issue with the ignition switch signal not being detected by the engine control module (ECM). This could result from a faulty ignition switch, damaged wiring, or poor connections. It's important to diagnose the specific cause to ensure proper vehicle operation.
Trouble code P1682 means: Ignition 1 Switch Circuit 2
Trouble code P1682 means: Charging system voltage too low
P1682 A/T FI Signal A High Input (Acura, Honda)P1682 Charging System Voltage Too Low (Chrysler, Jeep)
2005 chevy trailbazer
Charging system voltage too low.
P1682 Charging System Voltage Too Low
The diagnostic code 410, on your 2004 Chevrolet trailblazer, is a reference to a vacuum hose problem. Check the vacuum hoses to make sure they are all connected.
Trouble code P0171 means:System too lean (Bank 1)
The second spark plug is misfiring. Could be the coil right above the spark plug.
Trouble code P0496 means: Evaporative emission system - high purge flow
A few weekends ago I had to replace the fan clutch on my '06 Trailblazer EXT LS. In addition to getting the P0495 code from the check engine light, when I rev'd it up it sounded like a jet engine. Instructions: http://www.diystew.com/2006-trailblazer/
Alternator going bad..replace it. Just had the same thing on my 2000 neon