P1367 – OBD-II DTC

OBD-II DTC P1367 – Ignition Coil C Secondary Circuit Malfunction

DTC P1367 meaning

DTC P1367 refers to a malfunction in the secondary circuit of Ignition Coil C. This code indicates that the Engine Control Module (ECM) has detected an issue with the electrical circuit that powers the ignition coil responsible for firing the spark plugs in a specific cylinder. The secondary circuit is crucial for proper ignition timing and engine performance.

DTC P1367 symptoms

Common symptoms associated with DTC P1367 may include:

• Engine misfires
• Decreased engine performance
• Rough idling
• Increased fuel consumption
• Check Engine Light illuminated

DTC P1367 causes

Several factors can lead to the triggering of DTC P1367, including:

• Faulty ignition coil C
• Damaged wiring or connectors in the ignition coil circuit
• Short circuits or open circuits in the secondary circuit
• Faulty Engine Control Module (ECM)
• Issues with the power supply to the ignition coil

DTC P1367 seriousness

DTC P1367 is considered a moderate to serious issue. If left unaddressed, it can lead to engine misfires, which may cause further damage to the engine or exhaust system. Additionally, poor engine performance can affect fuel efficiency and overall drivability.

How to diagnose DTC P1367

To diagnose DTC P1367, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the ignition coil C and its wiring for visible damage.
3. Check the resistance of the ignition coil using a multimeter.
4. Test the voltage supply to the ignition coil with the engine running.
5. Examine the ECM for any signs of malfunction or error codes.

How to fix DTC P1367 step-by-step instructions

To fix DTC P1367, follow these steps:

1. Disconnect the battery to ensure safety while working on the electrical system.
2. Inspect and repair any damaged wiring or connectors related to ignition coil C.
3. If the ignition coil is faulty, replace it with a new one.
4. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Start the engine and monitor for any reoccurrence of the DTC.

How to erase DTC P1367

To erase DTC P1367, 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. Navigate to the option to clear or erase trouble codes on the scanner.
4. Confirm the action to erase the DTC.
5. Disconnect the scanner and start the engine to ensure the code does not return.

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