P1267 – OBD-II DTC

OBD-II DTC P1267 – Cylinder #2 High To Low Side Short

DTC P1267 meaning

DTC P1267 indicates a problem with the cylinder #2 high to low side short circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various components of the engine and emissions system. A high to low side short suggests that there is an electrical issue affecting the operation of the fuel injector or related components for cylinder #2.

DTC P1267 symptoms

Common symptoms associated with DTC P1267 may include:

• Check Engine Light (CEL) illuminated
• Rough idling or misfiring
• Decreased engine performance
• Poor fuel economy
• Increased emissions

DTC P1267 causes

Several factors can lead to the triggering of DTC P1267, including:

• Faulty fuel injector for cylinder #2
• Wiring issues, such as damaged or shorted wires
• Faulty engine control module (ECM)
• Corroded or loose electrical connections
• Issues with the fuel delivery system

DTC P1267 seriousness

DTC P1267 is considered a serious issue as it can lead to engine misfires, which may cause further damage to the engine over time. Ignoring this code can result in poor engine performance, increased emissions, and potential failure of other engine components. It is advisable to address this code promptly to avoid more extensive repairs.

How to diagnose DTC P1267

To diagnose DTC P1267, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the wiring and connectors related to cylinder #2 for any visible damage or corrosion.
3. Test the fuel injector for cylinder #2 to ensure it is functioning correctly.
4. Check the engine control module (ECM) for any faults or updates.
5. Perform a continuity test on the wiring harness to check for shorts.

How to fix DTC P1267 step-by-step instructions

To fix DTC P1267, follow these steps:

1. Repair or replace any damaged wiring or connectors related to cylinder #2.
2. If the fuel injector is faulty, replace it with a new one.
3. Clear any corrosion from electrical connections and ensure they are secure.
4. Reprogram or replace the ECM if it is determined to be faulty.
5. After repairs, recheck the system with an OBD-II scanner to ensure the code is cleared.

How to erase DTC P1267

To erase DTC P1267, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the “Erase Codes” function on the scanner.
4. Follow the prompts to clear the DTC from the system.
5. Disconnect the scanner and start the engine to verify that the code does not return.

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