Question about 1999 Dodge Caravan

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Torque converter/brake switch b circuit malfunction

Step by step how to fix p0703 code at home so i can smog my car. Please Help...

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It seams that no one knows what this code po703 is it refers to brake switch circuit b which has nothing to do with the brake switch it is related to the switch in the transmission eather a wiring problem or a switch problem at the transmission

Posted on Oct 25, 2014

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Posted on Jan 02, 2017

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ZJLimited
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SOURCE: Ihave code p0703 brake switch,what can I do?

P0703 (M) Brake Switch Stuck Pressed or Released Incorrect input state detected in the brake switch circuit (Changed from P1595).

The switch cost like 20 bucks. It is located on the brake pedal, it will either be in front of or behind the pedal at the top. It will have a plunger that contacts the pedal, and an electrical pig tail. usually you just twist it and pull it out kinda like a headlamp.

Hope this help (remember rated and comment this).

Posted on Mar 29, 2010

flbergeron68
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SOURCE: need help on how to fix injector #1 control circuit

the injectors are controlled by the computer that gets signals from sensors. check sensors first, all of them on the engine and then, if no problem found, have your computer check by repair shop

Posted on Jul 04, 2010

mabpest
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SOURCE: What does P0703 brake switch circuit B mean?

sounds like you may have a bad brake light switch from the factory. Id take the one you put on and try swapping it with another one. if you have a scan tool, check and make sure the brake light switch (will probably read BOO on scan tool) reads "on" when you push it down and "off" when your foot is off of it. check voltage and ground at your connector to make sure you have a complete circuit. If it reads "on" when you disconnect the switch, replace the switch.

Posted on Jan 24, 2011

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SOURCE: Check Engine light with code P0703

About $20 for a new brake light switch that can be installed in about 15 minutes or less usually, may be good insurance for a long distance drive. The code doesn't say it's a switch malfunction, the computer has seen a fault in the brake switch circuit and set the code-could just be a poor connection there.
More important, how do the brake lights work? I think I'd buy the switch or check the connector by the pedal at least. The computer may not let the cruise control work because of the code.

Posted on Jul 14, 2012

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