P0703 ford

P brake switch B circuit fault.

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P0703 ford

While it is a generic code, the specific repair steps may vary depending on the make and model of the vehicle. If you find that a code P has been stored in your OBD-II vehicle, it means that the powertrain control module PCM has detected a malfunction in a specific circuit related to the torque converter brake switch. This code is only applicable to vehicles equipped with automatic transmissions. Automatic transmissions in mass-produced vehicles have been electronically controlled since the s. Other vehicles use a separate transmission control module that communicates with the PCM and other controllers via the controller area network CAN. The torque converter is a type of fluid coupling that connects the engine to the transmission. When the vehicle is in motion, the torque converter transfers torque to the transmission input shaft. This allows the engine to idle without stalling. The lockup torque converter, used in OBD-II equipped vehicles, allows the engine to lock into the transmission input shaft under certain conditions. This typically occurs when the transmission has shifted into the highest gear, the vehicle has reached a certain speed, and the desired engine RPM level has been achieved. In lockup mode, the torque converter clutch TCC gradually restricts until the transmission functions as if it were directly connected to the engine in a transfer ratio. These gradual clutch restrictions are referred to as the percentage of torque converter lockup. This system promotes fuel efficiency and optimal engine performance. Torque converter lockup is achieved using an electronic solenoid that controls a spring-loaded rod or ball valve.

Find all posts by projectSHO Automatic transmissions in mass-produced vehicles have been electronically controlled since the s, p0703 ford. P Trouble Code.

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Symptoms may include the inability to shift out of park or the brake lights not functioning properly. The cause could be a faulty BPP switch, a misadjusted switch, an open or shorted circuit, or a poor electrical connection. To fix the issue, visually inspect the wiring harness and connectors for any damage. Look for broken, bent, pushed out, or corroded pins on the connectors. The repair time for this issue is estimated to be around 1. The automobile fault code p can be caused by a faulty brake pedal position switch, misadjustment, open or shorted harness, poor electrical connection, or a faulty powertrain control module PCM. To fix the automobile fault code p, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion. The automobile fault code P diagnosis and fixing cost is influenced by the estimated repair time of 1. This code indicates a problem with the brake switch circuit. The brake switch is responsible for activating the brake lights when you press the brake pedal.

P0703 ford

Log in. Sign up. Home Forums Ford 6. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Seems like it's only affecting the cruise control. Does anyone have any ideas on this? Could it be the pressure switch under the master cylinder? Or is it the switch on the brake pedal? The Ford dealer told me that switch is adjustable.

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I think you guys are right I'll let you know. If there is no voltage on the output circuit, suspect a defective or misadjusted brake switch. Do not clear or power down the system or you lose the data. Engine stalling when the vehicle comes to a stop TCC lockup may be disabled Reduced fuel efficiency Decreased engine performance especially at highway speeds Irregular transmission shift patterns No illumination of stop lamps. Originally Posted by projectSHO This typically occurs when the transmission has shifted into the highest gear, the vehicle has reached a certain speed, and the desired engine RPM level has been achieved. Posting Quick Reply - Please Wait. Fuses that may appear operational during initial testing may fail when the circuit is under load A misadjusted brake switch is often misdiagnosed as defective To quickly test TCC operation, bring the vehicle to highway speed at normal operating temperature , lightly tap the brake pedal and hold it while maintaining speed. Code help. This allows the engine to idle without stalling. Most models are designed so that if a code of this type is stored, the PCM will disable TCC lockup and place the transmission control system in limp-in mode. Clear the codes and test drive the vehicle to see if the code immediately reappears. The time now is PM. I'm ordering one right now.

The P code on the 6.

Does anyone have any ideas on this? Start right away, no registration needed. Check system fuses with the brake pedal depressed. When the vehicle is in motion, the torque converter transfers torque to the transmission input shaft. A good starting point is always to check for technical service bulletins TSB for your particular vehicle. Find all posts by projectSHO Did you actually go for a test drive and monitor the counts? Seems like it's only affecting the cruise control. Clear the codes and test drive the vehicle to see if the code immediately reappears. By accepting this notice, you agree to our Privacy Policy Accept. I also been noticing that my I don't want any DTC's coming up and the cruise is kind of handy on the highway. Because we have cooperated for 4 years. All cylinders, one at a time. Usually, that error code occurs when you botch the KOER self test and don't hit the brake pedal when you're supposed to Start by explaining the circumstances of your pulling that code.