AutoCodes – BMW – P1619 BMW

P1619 BMW Code - Map Cooling Thermostat Control Circuit Signal Low

Quick Answer

P1619 BMW indicates Map Cooling Thermostat Control Circuit Signal Low. Common causes include Faulty Thermostat, Faulty Thermostat Housing Sensor, Thermostat Housing Sensor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1619 BMW indicates Map Cooling Thermostat Control Circuit Signal Low.
Common causes
Common causes include Faulty Thermostat, Faulty Thermostat Housing Sensor, Thermostat Housing Sensor harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 32,507
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 01, 2019
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Code P1619 BMW Description

OBDII Code P1619 BMW - Map Cooling Thermostat Control Circuit Signal Low - AutoCodes.com
P1619 BMW Code - Map Cooling Thermostat Control Circuit Signal Low

What are the Possible Causes of the DTC P1619 BMW?

  • Faulty Thermostat
  • Faulty Thermostat Housing Sensor
  • Thermostat Housing Sensor harness is open or shorted
  • Thermostat Housing Sensor circuit poor electrical connection

How to Fix the DTC P1619 BMW?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1619 BMW code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1619 BMW code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1619 BMW Code

1. What are the common symptoms of OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low?

- Common symptoms include engine overheating, poor fuel efficiency, rough idling, and a decrease in overall vehicle performance.

2. What are the possible causes of OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low?

- Possible causes may include a faulty map cooling thermostat, damaged wiring or connectors in the circuit, or issues with the engine control module (ECM).

3. How can I diagnose OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low?

- Diagnosis involves using an OBDII scanner to retrieve the code, inspecting the map cooling thermostat and associated wiring, and testing the circuit for continuity and proper voltage.

4. What are the repair options for OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low?

- Repair options may include replacing the map cooling thermostat, repairing or replacing damaged wiring or connectors, or reprogramming the engine control module (ECM).

5. Can I drive my vehicle with OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low?

- It is not recommended to drive the vehicle with this code active, as it can lead to engine overheating and potential damage if left unaddressed.

6. How much does it typically cost to repair OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low?

- The cost of repair can vary depending on the specific issue causing the code, but it may range from $100 to $500 or more, including parts and labor.

7. Are there any preventative maintenance measures to avoid OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low?

- Regularly inspecting and maintaining the cooling system, including the map cooling thermostat, can help prevent issues that may trigger this code.

8. Can a DIY enthusiast fix OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code, but it is recommended to seek professional help for more complex issues.

9. Will resetting the OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low make it go away permanently?

- Simply resetting the code without addressing the underlying issue will not make it go away permanently, as the problem causing the code will persist until properly repaired.

10. How urgent is it to address OBDII code P1619 (BMW) - Map Cooling Thermostat Control Circuit Signal Low?

- It is important to address this code promptly to prevent potential engine damage and ensure the vehicle operates safely and efficiently.

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