The P1905 fault code in automobiles indicates a problem with the Charge Air Coolant Pump Relay. The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light.

The cause of this issue could be a faulty relay, an open or shorted harness, or a poor electrical connection. It is important to address this issue promptly as it can lead to reduced engine performance and fuel efficiency. The repair process involves visually inspecting the wiring harness and connectors for any damage or corrosion.

The difficulty level of this repair is considered to be moderate, and it typically takes around 1.0 hour to fix. To interpret the fault code, one needs to use an OBD-II scanner or code reader.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be due to the p1905 fault code.

Here are the symptoms to look out for:

  • The P1905 fault code in an automobile can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include issues with the transmission, such as difficulty shifting gears or the transmission slipping.
  • The vehicle may also experience reduced power or acceleration, and the engine may stall or hesitate during operation.
  • Additionally, the vehicle may experience rough idling or poor fuel economy.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The P1905 fault code in automobiles can be caused by a faulty relay, open or shorted harness, or poor electrical connection.

  • The automobile fault code P1905 can be caused by a faulty Charge Air Coolant Pump Relay.
  • It can also be caused by an open or shorted Charge Air Coolant Pump Relay harness.
  • Additionally, a poor electrical connection in the Charge Air Coolant Pump Relay circuit can also trigger this fault code.

To fix the p1905 automobile fault code, check the possible causes and inspect the related wiring harness and connectors for any damage or corrosion.

  • To fix the automobile fault code P1905, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors.
  • Look for damaged components and broken, bent, pushed out, or corroded connector’s pins.
  • Ensure that everything is in good condition.
  • The estimated repair time for this fix is 1.0 hour.

The fault code P1905 indicates an issue with the transmission range sensor circuit.

The estimated repair time for this fault code is 1.0 hour.

The cost of fixing this issue can vary depending on the auto repair shop, but it is common for them to charge between $75 and $150 per hour.

Other factors that may influence the cost include the severity of the issue, the type of vehicle, and the location of the repair shop.

The P1905 code is a generic description for Charge Air Coolant Pump Relay Short To Positive. However, the manufacturer may have a different description for your specific vehicle model and year. Unfortunately, we do not have any additional information about this OBDII code at this time.

If you have any questions or concerns, please feel free to post them in the comments section below for more information.

What are the possible causes of the P1905 automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the P1905 fault code. This code is caused by a faulty charge air coolant pump relay, an open or shorted harness, or a poor electrical connection in the relay circuit. To fix this issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector pins.

How can one visually inspect the related wiring harness and connectors to fix the P1905 fault code?

If you’re experiencing the P1905 fault code, which is indicated by the Engine Light ON or Service Engine Soon Warning Light, you may have a faulty Charge Air Coolant Pump Relay or an open or shorted harness. To fix this issue, you should visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. It’s important to check the “Possible Causes” listed above before proceeding with any repairs.

What are the consequences of ignoring the P1905 fault code?

Ignoring the P1905 fault code can lead to serious consequences such as reduced engine performance, increased fuel consumption, and potential damage to the engine. The engine light will remain on, indicating a problem that needs to be addressed. The cause of the fault code could be a faulty charge air coolant pump relay, an open or shorted harness, or poor electrical connection. It is important to visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins to fix the issue.

p1905 error fault code explained

If your engine light is on, it could be due to a faulty charge air coolant pump relay, an open or shorted harness, or poor electrical connection. Visually inspect the wiring harness and connectors for damage or corrosion.

Check for broken, bent, or pushed out pins.

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