AutoCodes – BMW – P1622 BMW

P1622 BMW Code - Map Cooling Thermostat Control Circuit Electrical

Quick Answer

P1622 BMW indicates Map Cooling Thermostat Control Circuit Electrical. 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: P1622 BMW indicates Map Cooling Thermostat Control Circuit Electrical.
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.

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Code Popularity 27,665

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1622 BMW Description

OBDII Code P1622 BMW - Map Cooling Thermostat Control Circuit Electrical - AutoCodes.com — P1622 BMW Code - Map Cooling Thermostat Control Circuit Electrical

What does this mean?

What are the Possible Causes of the DTC P1622 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 P1622 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 P1622 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 P1622 BMW code?

Need more information on how to fix the P1622 BMW code? Get Access to Factory Service Manuals

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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 P1622 BMW Code

1. What are the common symptoms of OBDII code P1622 in a BMW related to the Map Cooling Thermostat Control Circuit Electrical issue?

- Common symptoms include engine overheating, poor fuel efficiency, and potential stalling or rough idling.

2. What are the possible causes of OBDII code P1622 in a BMW?

- The code P1622 in a BMW can be triggered by a faulty map cooling thermostat, damaged wiring, a malfunctioning thermostat control circuit, or a problem with the engine control module (ECM).

3. How can I diagnose the Map Cooling Thermostat Control Circuit Electrical issue causing OBDII code P1622 in my BMW?

- Diagnosing this issue involves using a diagnostic scanner to read the code, checking the thermostat and related components for physical damage, and testing the circuit for continuity and proper voltage.

4. Can I continue driving my BMW with OBDII code P1622 triggered?

- It is not recommended to drive your BMW with the code P1622 triggered, as it can lead to serious engine problems like overheating and potential damage to other components.

5. How can I repair the Map Cooling Thermostat Control Circuit Electrical issue causing OBDII code P1622 in my BMW?

- Repairs may involve replacing the map cooling thermostat, repairing or replacing damaged wiring, or addressing any issues with the thermostat control circuit. It is advisable to consult a professional mechanic for accurate diagnosis and repair.

6. Is it possible to reset the OBDII code P1622 in a BMW without fixing the underlying issue?

- While you can clear the code temporarily using an OBDII scanner, it is crucial to address the root cause of the problem to prevent it from recurring.

7. Will fixing the Map Cooling Thermostat Control Circuit Electrical problem causing OBDII code P1622 improve my BMW's performance?

- Yes, resolving the issue can help restore your BMW's engine efficiency, prevent overheating, and ensure optimal performance.

8. Can a DIY enthusiast fix the OBDII code P1622 related to the Map Cooling Thermostat Control Circuit Electrical issue in a BMW?

- Depending on your skill level and access to tools, you may be able to address simpler causes like damaged wiring. However, complex issues may require professional assistance.

9. How long does it typically take to repair the Map Cooling Thermostat Control Circuit Electrical issue causing OBDII code P1622 in a BMW?

- The repair time can vary based on the specific problem and the expertise of the mechanic. It may range from a few hours to a full day.

10. Are there any preventive maintenance steps to avoid encountering OBDII code P1622 in my BMW in the future?

- Regularly inspecting and maintaining your BMW's cooling system, including the thermostat and related components, can help prevent issues that lead to the code P1622.