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P0402 p2000 p0546 p242b p2453 p2080 p2084 p245c and u0184 codes?

I want to know what these codes mean

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What is the code u0184 mean in a 2009 pontiac g8 6 cylinder


U0184 00
Lost Communication with Radio , did you replace factory radio ?
The communication among control modules is performed through the High speed GMLAN serial data circuits and the Low speed GMLAN serial data circuit. The modules that need real time communication are attached to the High Speed GMLAN network. The body control module (BCM) is the gateway between the high and low speed networks. Refer to Body Control System Description and Operation for more information about the gateway.
Signal supervision is the process of determining whether an expected signal is being received or not. Some messages are sent on a periodic basis and are interpreted as a heartbeat of a device. If such a signal is lost, the signal supervision part of the software will set a no communication DTC (U code) against the missing device. This code is mapped on the scan tool screen as a code against the physical device. A lost communication DTC typically is set in modules other than the module with a communication failure.
Does the vehicle start an run ?

Jun 01, 2015 | 2009 Pontiac G8

1 Answer

What does jeep code p2000 mean


Your NOx trap efficiently is below threshold.

Sep 10, 2014 | 2008 Jeep Patriot

1 Answer

Why is my 09 chevy duramax showing p 0546


A P0546 OBDII code indicates "High Exhaust Gas Temperature" See more here:
P0546 Exhaust Gas Temperature EGT Sensor Circuit High B1S1

May 19, 2014 | 2006 Nissan Altima

1 Answer

What does code p0402 mean?


try this site: www.obd-codes.com/p0402

Apr 27, 2014 | 1997 Ford Crown Victoria

1 Answer

Code p0402 comes up what do I do?


Code 402 means the EGR gas flow is excessive. On Ford products it could be the EGR valve or the sensor. Both components would need to be tested.

May 08, 2013 | 1996 Mercury Sable

2 Answers

Code p0402??


Code 402 means the computer has detected flow in the EGR valve when it should be closed.
The valve would need to be checked out.

May 06, 2013 | 2001 Isuzu Rodeo

1 Answer

What does the code p0402 mean on a toyota tacoma 2000?


Call dealer. Ask for mechanic. he will tell you.

Jan 18, 2013 | Cars & Trucks

1 Answer

Trouble code P2084


how to fix the code p2084 on a 2009 F250 super duty?

Aug 17, 2012 | 2008 Ford F-250 Super Duty

2 Answers

Service engine code P0402 for Ford Mustang


P0402 OBD-II Trouble Code - Exhaust Gas Recirculation Flow (EGR) Excessive Detected

What does that mean?
EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three parts to the EGR system: the EGR valve, an actuator solenoid, and a differential pressure sensor (DPF). These things work together to deliver the correct amount of recirculation based on engine temperature, load, etc. The P0402 code means that OBD detected an excessive amount of EGR.

Symptoms
You may notice drivability problems such as the engine may surge off idle. There may also be other symptoms.

Causes
A code P0402 most likely means one or more of the following has happened:
* The DPFE (differential pressure) sensor is faulty and needs to be replaced
* There is a blockage in the EGR (most likely carbon buildup)
* The EGR valve is faulty
* The EGR valve may not be opening due to a lack of vaccuum

Possible Solutions
With a P0402, it is common for people to replace the EGR valve, only to have the problem return. The most likely solution is to replace the DPFE sensor.
* Check the voltage at the DPFE sensor both at idle and when the EGR is open
* Replace the DPFE sensor

Hope helps (remember rated and comment this).

May 27, 2010 | 2001 Ford Mustang

1 Answer

What does fault code P0402 means.


Exhaust Gas
Recirculation Flow (EGR) Excessive Detected A code P0402 most likely means one or more of the following has happened:
  • The DPFE (differential pressure ) sensor is faulty and needs to be replaced
  • There is a blockage in the EGR (most likely carbon buildup)
  • The EGR valve is faulty
  • The EGR valve may not be opening due to a lack of vaccuum

Sep 02, 2009 | 2001 Ford Explorer

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