[SOLVED] Dodge P0703 Code: Quick Fix For Brake Switch Performance

The OBD code P0703 for Dodge indicates a fault with the Brake Pedal Position (BPP) Switch circuit.

Symptoms include the Engine Light ON, inoperative Brake lights.

Causes can be a faulty BPP switch, misadjusted switch, open/shorted harness, poor electrical connection, or a faulty ECM.

This issue is moderate in seriousness.

To fix, inspect wiring, connectors, and components for damage, and check connector pins for issues.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	6.67 (Out of 10)

Symptoms of the Dodge p0703 OBD Code

The vehicle may experience shifting issues or fail to shift gears with Dodge code P0703.

Symptoms: Service Engine Soon Warning Light ON.
Brake lights may not work properly.

Causes of the Dodge p0703 OBD Code

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P0703 in a Dodge indicates a fault with the brake switch circuit.

P0703 can be caused by a faulty Brake Pedal Position (BPP) Switch (Stop Lamp Switch).
A misadjusted Brake Pedal Position Switch.
An open or shorted Brake Pedal Position Switch harness.
A poor electrical connection in the Brake Pedal Position Switch circuit.
A faulty Engine Control Module (ECM).

Fixing Dodge Error Code p0703 Step By Step

Address the issue by inspecting the brake switch circuit for Dodge fault code P0703.

To fix a Dodge OBDII code p0703, start by reviewing the possible causes mentioned above.
Visually examine the wiring harness and connectors related to the transmission control module (TCM).
Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
If no visible issues are found, proceed to test the TCM for proper operation.
Consider resetting the TCM or performing a software update if necessary.
Replace the TCM if all other steps do not resolve the issue.

Cost Of Fixing Dodge p0703 Fault Code

Diagnosing and repairing Dodge fault code P0703 typically involves inspecting and possibly replacing the brake switch.

The cost to diagnose and fix a Dodge OBD code P0703 typically ranges from $75 to $150, based on an estimated repair time of 1. 0 hour.

Factors like shop rates and complexity of the repair can influence the final cost.

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Details of the Dodge p0703 OBD Code

Dodge fault code P0703 relates to a Torque Converter/Brake Switch B Circuit Malfunction.

Dodge OBD code P0703 indicates a fault with the brake switch B circuit.

This code is triggered by the powertrain control module (PCM) when it detects an incorrect signal from the brake switch B circuit.

The brake switch B circuit is part of the brake light switch assembly and is responsible for informing the PCM when the brake pedal is pressed.

This information is crucial for various vehicle systems, such as the transmission control module, to perform functions like torque converter clutch engagement and disengagement.

Mechanic’s Tech Notes

Detailed information on Dodge fault code P0703, indicating a fault in the brake switch circuit.

To diagnose and fix OBDII code P0703 in a Dodge, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.

Verify TCM communication over the Controller Area Network (CAN) using a scan tool.

If the TCM does not respond, reprogramming or reflashing may be necessary.

Visually inspect the wiring harness and connectors for any damage, and check connector pins for signs of being broken, bent, pushed out, or corroded.

This thorough inspection can help identify and address the root cause of the P0703 code.

FAQ

1. What are the common symptoms associated with OBD code P0703 in a Dodge vehicle?

Common symptoms of OBD code P0703 in a Dodge vehicle include Engine Light ON, inoperative Brake lights. Causes may be a faulty BPP switch or misadjusted switch. Fix: Inspect wiring and connectors.

2. What is the typical cause of OBD code P0703 in a Dodge vehicle?

Typical cause of OBD code P0703 in a Dodge: Faulty Brake Pedal Position (BPP) Switch, misadjusted switch, open/shorted harness, poor connection. Inspect and repair as needed.

3. How can I diagnose and repair OBD code P0703 in my Dodge vehicle?

Diagnose and repair OBD code P0703 in your Dodge by checking the Brake Pedal Position Switch and its wiring for faults. Inspect connectors for damage or corrosion.

Wrap Up

If your Dodge is displaying OBD code P0703 and experiencing shifting issues or slipping gears, it could be caused by a faulty brake switch circuit.

This code typically indicates a problem with the brake switch sensor, wiring, or connectors.

To address Dodge OBD code P0703, start by inspecting the brake switch sensor and its wiring harness for any signs of damage or corrosion.

Test the brake switch operation and check for proper voltage and continuity in the circuit.

Replace the brake switch sensor if necessary and ensure all connections are secure.