P1772 – Mazda DTC

Mazda DTC P1772 – Throttle Position Sensor Circuit Shorted to Transmission Control Module

DTC P1772 meaning on Mazda

Diagnostic Trouble Code (DTC) P1772 for Mazda indicates a fault where the Throttle Position Sensor (TPS) circuit is shorted to the Transmission Control Module (TCM). This means that there is an electrical issue between the TPS and the TCM, affecting the communication and operation of these components.

Mazda DTC P1772 symptoms

Symptoms of DTC P1772 on a Mazda may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Transmission shifting issues
• Reduced engine performance
• Vehicle may go into limp mode

Mazda DTC P1772 causes

Common causes of DTC P1772 on a Mazda include:

• Short circuit between the Throttle Position Sensor and the Transmission Control Module
• Faulty Throttle Position Sensor
• Faulty Transmission Control Module
• Wiring issues or corrosion in the circuit

Mazda DTC P1772 seriousness

DTC P1772 should be addressed promptly as it can lead to drivability issues and potential damage to the transmission system if left unresolved. Ignoring this fault may result in further complications and increased repair costs.

How to diagnose DTC P1772 on Mazda

To diagnose DTC P1772 on a Mazda, follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer
2. Inspect the Throttle Position Sensor and its wiring for any visible damage or corrosion
3. Check the connection between the Throttle Position Sensor and the Transmission Control Module
4. Perform a thorough inspection of the Transmission Control Module for any signs of malfunction

How to fix DTC P1772 on Mazda

To fix DTC P1772 on a Mazda, consider the following steps:

1. Repair any damaged wiring or connections between the Throttle Position Sensor and the Transmission Control Module
2. Replace the Throttle Position Sensor if it is found to be faulty
3. If the Transmission Control Module is faulty, it may need to be replaced or reprogrammed
4. Clear the fault codes using a diagnostic scanner after the repairs have been completed

How to erase DTC P1772 on Mazda

To erase DTC P1772 on a Mazda:

1. Use a diagnostic scanner to access the vehicle’s computer system
2. Select the option to clear the fault codes stored in the system
3. Follow the on-screen prompts to confirm the deletion of the DTC P1772 code
4. Once the code has been successfully cleared, verify that the Check Engine Light is no longer illuminated

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