P1204 – Land Rover DTC

Land Rover DTC P1204 – Injector 4 Open Circuit or Ground Short Fault

DTC P1204 meaning on Land Rover

DTC P1204 on a Land Rover indicates an issue with Injector 4, specifically an open circuit or ground short fault. This fault code is related to the fuel injector system of the vehicle.

Land Rover DTC P1204 symptoms

Symptoms associated with DTC P1204 on a Land Rover may include:

  • Engine misfires
  • Reduced engine performance
  • Increased fuel consumption
  • Check Engine Light (CEL) illuminated on the dashboard

Land Rover DTC P1204 causes

The potential causes of DTC P1204 on a Land Rover include:

  • Open circuit in the wiring connected to Injector 4
  • Ground short in the wiring connected to Injector 4
  • Faulty Injector 4
  • Issues with the Engine Control Module (ECM)

Land Rover DTC P1204 seriousness

DTC P1204 should be addressed promptly as it can lead to engine performance issues and potential damage if left unresolved. Ignoring this fault code may result in poor fuel efficiency and drivability issues.

How to diagnose DTC P1204 on Land Rover

To diagnose DTC P1204 on a Land Rover, follow these steps:

  1. Use a diagnostic scanner to retrieve the fault code and confirm it is P1204.
  2. Inspect the wiring harness connected to Injector 4 for any visible damage or loose connections.
  3. Check the resistance of the injector and the wiring using a multimeter to identify any open circuits or ground shorts.
  4. If necessary, perform a continuity test on the wiring to ensure proper connection.
  5. Inspect the Injector 4 itself for any signs of damage or malfunction.

How to fix DTC P1204 on Land Rover

To fix DTC P1204 on a Land Rover, consider the following steps:

  1. Repair any damaged wiring or connectors associated with Injector 4.
  2. Replace Injector 4 if it is found to be faulty.
  3. If the issue persists, consult a professional mechanic to diagnose and repair any underlying ECM issues.

How to erase DTC P1204 on Land Rover

To erase DTC P1204 on a Land Rover, follow these steps:

  1. Use a diagnostic scanner to clear the fault code from the ECM memory.
  2. After clearing the code, perform a test drive to ensure the issue has been resolved.
  3. If the Check Engine Light does not reappear, the fault code has been successfully erased.

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