What are the Possible Causes of the DTC P0719 Chevrolet?
NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
Faulty Brake Switch
Brake Switch harness is open or shorted
Brake Switch circuit poor electrical connection
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How to Fix the DTC P0719 Chevrolet?
Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0719 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
When is the Code Detected?
When the Powertrain Control Module (PCM) detects an open brake switch circuit (0 volts, low input) during accelerations, then the P0719 is set.
What are Code Possible Symptoms?
Engine Light ON (or Service Engine Soon Warning Light)
Code P0719 Chevrolet Description
The brake switch indicates brake pedal status to the Powertrain Control Module (PCM). The brake switch is a normally-closed switch that supplies battery voltage on circuit 420 to the PCM. Applying the brake pedal opens the switch, interrupting voltage to the PCM. When the brake pedal is released, the PCM receives a constant voltage signal. If the PCM receives a zero voltage signal at the brake switch input, and the torque converter clutch (TCC) is engaged, the PCM de-energizes the TCC solenoid valve. The PCM disregards the brake switch input for TCC scheduling if there is a brake switch circuit fault.
P0719 Chevrolet Code - Brake Switch Circuit Low Input
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