P04D4

2017-10-10

Description:

  • Exhaust Brake Input Circuit Range/Performance

Possible Symptoms:

  • Check the wiring and connections related to the exhaust brake input circuit

  • Inspect the exhaust brake sensor for any damage or malfunction

  • Clean or replace the exhaust brake sensor if necessary

  • Verify the exhaust brake system's functionality and perform any necessary repairs or adjustments

Possible Causes:

  • Faulty exhaust brake sensor

  • Damaged or loose wiring connections to the exhaust brake sensor

  • Problem with the exhaust brake control module

  • Clogged or restricted exhaust brake system

  • Malfunctioning engine control module (ECM)

Related Parts:

Possible Solutions:

  • Warning light on the dashboard illuminates.

  • Decreased engine power or performance.

  • Difficulty shifting gears or engaging the transmission.

  • Abnormal engine noises or vibrations.

  • Increased fuel consumption.

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