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Lumina 2007 B1380 code solution

Reprogrammed the ECM

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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: lost communication with ecm/pcm lumina 2007

You will need to have the dealer fix this, it requires special equipment to diagnose and repair.

Posted on Sep 14, 2012

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2007 Chevrolet Equinox code P1682 we're is the circuit located


DTC P1682: Ignition 1 Switch Circuit 2

Circuit/System Description
There are 2 ignition 1 voltage circuits supplied to the engine control module (ECM). The first ignition 1 voltage 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 ignition main relay provides the second ignition 1 voltage circuit to the ECM, through a fuse. This ignition 1 voltage provides power to other internal ECM circuits, except those associated with TAC operation. The ECM continuously monitors the voltage level difference between the two circuits.

You can find a wiring diagram here http://www.bbbind.com/free_tsb.html Enter your vehicle info. year , make , model engine size . Under system click on Engine ,under subsystem click on fuel controls. Then click on the search button ,then click on the blue link . The first diagram is the one you want . powertrain relay an IGN main relay .

What problem are you having ?
Ignition 1 Voltage (Ignition Main Relay)
B1370, B1380
P1682, B1370, B1380
P0575, P0650

Circuit/System Testing
Ignition ON, observe the Ignition 1 Signal and EC Ignition Relay Feedback scan tool parameters to determine which is less than B+.
Ignition OFF, remove the relay that corresponds to the scan tool parameter that is less than B+.
Important: 6 ohms or greater in the circuit/underhood fuse block will cause the DTC to set.
Ignition On, connect a 3A fused jumper wire between B+ and the applicable ignition 1 circuit terminal. Verify that the applicable scan tool parameter displays B+.
? If the applicable scan tool parameter is less than the specified value, test the ignition 1 circuit for an open/high resistance. If the circuit tests normal, replace the ECM.
If all circuits test normal, test or replace the applicable relay.

Mar 09, 2017 | 2007 Chevrolet Equinox

1 Answer

I just replaced the spark plugs on a 1991 chevy lumina and cleaned the iac and in the process of changing the back plugs the vaccum line to the map sensor was broke,it was hard plastic.i replaced it with...


Well sometimes it takes up to a 100 miles to the module to get things straight! Two many censers map ,maf , knock. cam,o2,and so on! Drive it for a bit and see if it will reconfigure it's self! My opinion I could be wrong! Good luck!!

May 18, 2014 | 1991 Chevrolet Lumina

1 Answer

Hai there. my chevrolet lumina 2006 i replaced ECM ,BCM, PIM and trasmittor with key . module programing done and ecm to bcm security link also done . still car is not starting, i found dtc p0633...


seems like the ecm is working so you need to make sure that the transponder key gets reprogrammed to the anti theft module or bcm link your key may be at fault

Aug 17, 2013 | Cars & Trucks

1 Answer

2007 chevy cobalt will start but not stay running


problem in theft security system it has to be reprogrammed to new key new ignition switch key lock system. dealership fix need diagnostic eqquipment to reprogram new ignition key and ignition switch lock cylinder to the immobilizer control module and ECM.

Jan 26, 2013 | 2007 Chevrolet Cobalt Coupe

1 Answer

Lost communication with ecm/pcm lumina 2007


You will need to have the dealer fix this, it requires special equipment to diagnose and repair.

Sep 14, 2012 | Chevrolet Cars & Trucks

1 Answer

What is ecm update


A ecm update is a reprogramming of the engine control module the dealer will reprogram the engine control module with new priamiters .

Oct 07, 2010 | 2007 Hyundai Azera Limited Sedan

1 Answer

Where is the ECM located on a 1998 Chevy Lumina


PCM UNDER THE COOLANT RESERVOIR JUG IN A HOUSING COVER.HATE TO TELL YOU THAT YOU CANT REPLACE THE PCM AT HOME ITS HAS TO BE REPROGRAMMED.

Jun 26, 2010 | 1998 Chevrolet Lumina

2 Answers

ECM replacement for an '05 Cadillac CTS 3.6L


I was reading through the replacement procedure for the ecm in your vehicle.Here`s what I found.you may use a used ecm but it does have to be reprogrammed to your vehicle and it can only be done at the dealership.This I know because I worked at a Cadillac and G.M. dealership.I worked at a dealership for 16 yrs.The other thing is you don`t` need the vehicles vin that the used computer came from.The only one you need is your vin number.This number has all the information that your car is equipt with.The used ecm will have the other vehicles fuel continue password so the programming will put in the fuel continue from your vehicle.The other thing that needs to be programmed is the engine oil life and the transmission oil life or they revert to 100%.Then an idle relearn procedure will have to be performed.The only thing any other shop can do is get the codes or clear the codes.But they can not program a computer.Only the authorized dealerships have this software.Hope this helps clear up your any questions.Good luck.

Dec 22, 2009 | 2007 Cadillac CTS 3.6L

1 Answer

Evap vent solenoid code p0446


yes the evap and fuel injection flush service are 2 diff things, replace the evap solenoid and clear the code, also make sure the vent on the carbon canister is clear.

Apr 21, 2009 | 2000 Chevrolet Silverado 1500

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