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What do you mean rear integration module is out? And how do you know this ?Scan tool won't communicate with it? Any DTC'S diagnostic trouble codes?
Rear Integration Module (RIM)
The various RIM inputs and outputs are described in the corresponding functional areas as indicated on the RIM electrical schematics.
The RIM functions include the following:
• Automatic level control
• CIGAR relay control
• Class 2 communication requiring RIM interaction
• Content theft deterrent
• Fuel door control
• Fuel level sensor input
• Heated seat control
• HVAC blower control
• LK/CYL relay control
• Park brake relay control
• Rear defog relay control
• Rear park assist chime control
• Retained accessory power (RAP) relay control
• Reverse relay control
• Transmission shift inhibit
• Trunk release relay control
• Various controls for the interior lamps
The 02 monitor will reset after 300 miles of normal driving and must include One soak period of 8 hrs to reset all monitors, drive a little more, I hope this helps, take care. Merry Christmas.
Do you have the 6-cyl or the 8-cylinder model? The P0135 code is for an upstream O2 sensor. The 6 cylinder has one up near the exhaust manifold and another (downstream) sensor just after the catalytic converter. The 8-cylinder has two upstream sensors, one on either side of the engine near the manifolds, and one by the catalyst. Be sure you located and replaced the correct upstream sensor. If that is not the problem, the issue could be the wiring harness going to the sensor. They run very close to the manifolds and often get damaged. Inspect the wiring leading back from the sensor to the PCM for melted and exposed wiring. IF you find some, you may be able to patch it, but often you must cut out the bad and replace the section with a new connector end. The sensor signal is relatively low voltage and doesn't handle damage wiring well.
None of the shops you went to,
know how to diagnose a vehicle
I think your statement about one monitor,
is the evap system ,because they can test
the gas cap,the others have to run clear,
at least in New Jersey
Almost seems like the people that come to this site
Your shop just throw parts at the codes & no testing
to find a problem
If the problems are solved, you don't have to clear the codes
Clearing the MIL Lamp or check engine light, clears all data,
emission monitors,& freeze frame data set at the time fault
codes are set,so you got nothing to work with to find a problem
So never clear fault codes after a repair,let the monitors do their thing
All sensors are aftermarket sensors-so that is nonsense
That should have been a clue to forget that shop
The same companies make sensors for everyone,
new vehicle or used
Vehicle manufactures stamp sheet steel & make bodies
& assemble purchased components only
O2 Emission Monitors & Evap Monitor-- are two
different systems
Get ALL your OBD Codes & work them one at a time,
& DO NOT Clear any data with code reader or removing
battery cable, or the monitors ALL have to run again
The heater may work in the sensor, but the sensor doesn't
switch fast enough or is worn out & the front sensors get
replaced at 100,000, before they fail or slow down
The Evap Codes will be needed, to work on that issue
That monitor runs last & only every few days
IF--- you had professional scan tool software, you would see
11 monitors & maybe 8 that run on your vehicle
There will be at least 2 for the O2,one for cylinder misfire,
one for evap, one for egr,& three others
P0135 is 02 heater circuit ( Bank 1, sensor 1 ). P0138 is 02 circuit high voltage ( Bank 1, sensor 2). It is a good idea to replace all 4, 02 sensors at the same time, otherwise the 2 new 02 sensors on bank #1 will be transmitting Data back to the computer at a faster rate then the old ones on bank #2 And this could cause other problems. Remember to have the codes cleared from the computer after all repairs are finished. If you do not the computer will keep turning on the check engine light.
-also that way if the light ever comes on again you already know it will be for something new.Good Luck and have a good XMASS.
u have more than one o2 sensor in this car take it to a mechanic and have the 02 sensors checked this takes a computer with live data fead so take it to the right place
The exhaust system has two 02 sensors One before the cat converter and one after. The #2 02 behind the cat converter is the one that trips the light if emmisions are unacceptable coming out of the converter. The #1 or front 02 sensor monitors and constantly adjusts the fuel to stay within parameters. If the #2 tries to compensate for an inefficient converter and it conflicts with the #1 02, the ebgine will run poorly due to either too rich or too lean fuel adjustment. Have the #2 02 sensor replaced and the converter checked. Good luck
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