Code P1682 in chevy cobalt - 2009 Chevrolet Cobalt

Question edited for clarity and add CAPS.
Question move to Cobalt category.

It is dumping extra fuel.

P0171 code SS SC - Cobalt SS Network

CobaltSS.net https://www.cobaltss.net > forums > p0171-code-ss-sc-...
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For those with the FAMOUS P0171 CEL - Cobalts SS

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About the FAMOUS P0171 DTC (diagnostic troubleshooting code). If the PCM detect a lean condition (roughly 15% leaner than stock or more lean), this code ...

Missing: 2.0. ‎' Show results with: 2.0.

P0171 Chevy Cobalt: Fuel Trim System Lean Bank 1

700r4transmissionhq.com https://www.700r4transmissionhq.com > p0171-chevy...
Jul 28, 2018 - It indicates that your Chevy Cobalt is running lean on the bank one side. It's the most common air/fuel mixture-related code. It's not the most ...

‎Definition · ‎Symptoms · ‎Causes

This question also edited for clarity and spelling 'Colbalt' to 'Cobalt'.
Question also moved from Misc to model category. There are 10,000 to choose from listed by 'make year model'.

It is a well known issue

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this link can assist https://www.engine-codes.com/p1682_chevrolet.html

P1682 Chevrolet Description There are 2 ignition 1 voltage circuits supplied to the Engine Control Module (ECM). The first ignition circuit is provided by the powertrain relay, through a fuse. This ignition 1 voltage circuit supplies power to all the internal ECM circuits associated with the throttle actuator control (TAC) operation. The second ignition 1 voltage circuit is supplied by the run/crank relay through a fuse, and is used to power the remaining internal ECM circuits. If the ECM detects a voltage difference between the 2 ignition 1 voltage circuits, DTC P1682 will set.

Read more: https://www.autocodes.com/p1682_chevrolet.html

I did some testing, fuel pump was bad but not the problem. Turns out I had a bad power train relay. I jumped it and it fired right up and ran at idle smother than it has in a long time

Hi the code I see for this seems to be for I beleave.

A/T FI Signal A High Input.

dont know if this was any help to you.

P1682 Chevrolet - Ignition 1 Switch Circuit 2

Possible causes
- Faulty ignition switch
- Ignition Switch harness is open or shorted
- Ignition Switch circuit poor electrical connection
- Faulty Engine Control Module (ECM)
What does this mean? What does this mean?
When is the code detected?
The ECM has detected a voltage deifference between two circuits
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Possible no crank or start
P1682 Chevrolet Description

There are 2 ignition 1 voltage circuits supplied to the Engine Control Module (ECM). The first ignition circuit is provided by the powertrain relay, through a fuse. This ignition 1 voltage circuit supplies power to all the internal ECM circuits associated with the throttle actuator control (TAC) operation. The second ignition 1 voltage circuit is supplied by the run/crank relay through a fuse, and is used to power the remaining internal ECM circuits. If the ECM detects a voltage difference between the 2 ignition 1 voltage circuits, DTC P1682 will set

Read more: http://engine-codes.com/p1682_chevrolet.html#ixzz3dr4CYBUT

Mi chevy equinox 2007 esta con un grave problema en el encendido, cuando arranca, lo hace deficientemente y la pantalla dice que hay perdida de potencia, conecte un OBD II y me da el codigo P1682 driver 5 line 2...quisiera saber que significa y como puedo resolverlo,ya que es muy desagradable lo que estoy pasando

As far as the cobalt, check tac/throttle actuator control. Below is circuit description for p1682.
The other codes was for knock sensor.

Low battery voltage during cranking (less than 10 volts) Check your battery health, and/or associated leads to battery.