P1355 – OBD-II DTC

OBD-II DTC P1355 – Fuel Level Sensor B Intermittent/Bypass Line Monitor

DTC P1355 meaning

DTC P1355 refers to an issue with the Fuel Level Sensor B, indicating an intermittent or bypass line monitor problem. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various components of the vehicle’s fuel system. The “B” in the code typically signifies that it pertains to a specific fuel level sensor, which is responsible for providing accurate fuel level readings to the engine control module (ECM).

DTC P1355 symptoms

Common symptoms associated with DTC P1355 may include:

• Inaccurate fuel gauge readings
• Check Engine Light illuminated
• Possible engine performance issues
• Fuel level sensor malfunction warnings

DTC P1355 causes

Several factors can lead to the triggering of DTC P1355, including:

• Faulty fuel level sensor B
• Wiring issues or damaged connectors
• Corrosion in the fuel level sensor circuit
• ECM software issues
• Intermittent electrical connections

DTC P1355 seriousness

The seriousness of DTC P1355 can vary. While it may not cause immediate safety concerns, it can lead to:

• Inaccurate fuel readings, resulting in running out of fuel unexpectedly
• Potential engine performance issues
• Increased emissions due to improper fuel management

It is advisable to address this code promptly to avoid further complications.

How to diagnose DTC P1355

To diagnose DTC P1355, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the P1355 code.
2. Inspect the fuel level sensor B and its wiring for any visible damage or corrosion.
3. Check the electrical connections to ensure they are secure and free of debris.
4. Test the fuel level sensor B using a multimeter to verify its resistance and functionality.
5. Examine the ECM for any software updates or faults that may affect sensor readings.

How to fix DTC P1355 step-by-step instructions

To fix DTC P1355, follow these step-by-step instructions:

1. Clear the DTC using an OBD-II scanner.
2. Inspect and repair any damaged wiring or connectors related to the fuel level sensor B.
3. Replace the fuel level sensor B if it is found to be faulty during testing.
4. Ensure all electrical connections are clean and secure.
5. Recheck the system for any additional codes after repairs.
6. Test drive the vehicle to ensure the issue is resolved and the Check Engine Light does not reappear.

How to erase DTC P1355

To erase DTC P1355, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Access the scanner’s menu and select the option to clear or erase trouble codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to ensure the code does not return.

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