Dtc B2404
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Cargo Master
Joined: Jun 2008
Posts: 2,752
Likes: 5
From: Stillwater, OK
Dtc B2404
The DTC code referes to a problem with the steering wheel audio controls.
The truck has no steering wheel audio controls, so of course they don't work correctly, but I can't get the code to disappear.
My best idea, is to place 1,110 ohms of resistance between the two wires that go to the Steering Wheel Controls so the radio sees the correct voltage for "no switches pressed".
...Since this is just an open circuit right now.
The truck has no steering wheel audio controls, so of course they don't work correctly, but I can't get the code to disappear.
My best idea, is to place 1,110 ohms of resistance between the two wires that go to the Steering Wheel Controls so the radio sees the correct voltage for "no switches pressed".
...Since this is just an open circuit right now.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Is this a constant code? It sounds more like one that would be thrown by a switch test. If that's the case you should be able to just clear it and move on.
I'm guessing this came with your upgraded radio, so you may be correct about placing the resistance between the extra wires to simulate a switch. Unless of course you need an excuse to upgrade steering wheel.
Did you get a 3.55 or 3.73 rear end? What kind of mileage are you seeing empty & towing?
I'm guessing this came with your upgraded radio, so you may be correct about placing the resistance between the extra wires to simulate a switch. Unless of course you need an excuse to upgrade steering wheel.
Did you get a 3.55 or 3.73 rear end? What kind of mileage are you seeing empty & towing?
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Cargo Master
Joined: Jun 2008
Posts: 2,752
Likes: 5
From: Stillwater, OK
it's a 4.11 rear end
Unloaded:
12-14 MPG in town
20+ MPG going 55
~18 MPG going 65 (2,000 RPM)
~17 MPG going 70
Loaded (towing 9,000 lbs):
10 HWY
7-8 City
I don't know if I really want to go about upgrading the steering wheel yet...
first off I don't even know if I can with the equipment I have... I don't have a tilt wheel... which means no cruise control (it's a package) and have yet to see an '08 with steering wheel controls that doesn't have tilt/cruise. I don't have the money, tools or time to rip out the whole column and put in a tilt column. The "none pressed" resistance seems to be the easiest option if it works.
It's a code that comes on during the power up test. I cannot clear it, it just comes back because it doesn't get a voltage in the correct range from the column.
Then again, it really doesn't do anything except give me a "Self Fail" response from the ACM self test... The ACM has complete functionality.
Unloaded:
12-14 MPG in town
20+ MPG going 55
~18 MPG going 65 (2,000 RPM)
~17 MPG going 70
Loaded (towing 9,000 lbs):
10 HWY
7-8 City
I don't know if I really want to go about upgrading the steering wheel yet...
first off I don't even know if I can with the equipment I have... I don't have a tilt wheel... which means no cruise control (it's a package) and have yet to see an '08 with steering wheel controls that doesn't have tilt/cruise. I don't have the money, tools or time to rip out the whole column and put in a tilt column. The "none pressed" resistance seems to be the easiest option if it works.
It's a code that comes on during the power up test. I cannot clear it, it just comes back because it doesn't get a voltage in the correct range from the column.
Then again, it really doesn't do anything except give me a "Self Fail" response from the ACM self test... The ACM has complete functionality.
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