P1620 BMW Code - Map Cooling Thermostat Control Circuit Signal High
Quick Answer
P1620 BMW indicates Map Cooling Thermostat Control Circuit Signal High. 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
- P1620 BMW indicates Map Cooling Thermostat Control Circuit Signal High.
- 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.
Code P1620 BMW Description
What are the Possible Causes of the DTC P1620 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 P1620 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 P1620 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.
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Frequently Asked Questions about P1620 BMW Code
1. What are the common symptoms of OBDII code P1620 in a BMW?
- Common symptoms of OBDII code P1620 in a BMW may include engine overheating, poor fuel efficiency, rough idling, and the check engine light turning on.
2. What causes the OBDII code P1620 Map Cooling Thermostat Control Circuit Signal High in a BMW?
- The OBDII code P1620 in a BMW is typically caused by a malfunction in the map cooling thermostat control circuit, leading to a high signal being detected by the engine control module.
3. How can I diagnose the OBDII code P1620 in my BMW?
- Diagnosing the OBDII code P1620 in a BMW involves using an OBDII scanner to read the code, checking the map cooling thermostat and its wiring for any damage or faults, and testing the circuit for proper voltage and resistance.
4. Can I continue driving my BMW with the OBDII code P1620 present?
- It is not recommended to continue driving your BMW with the OBDII code P1620 present, as it can lead to potential engine damage or overheating issues. It is best to address the issue promptly.
5. What are the possible repair options for fixing the OBDII code P1620 in a BMW?
- Repair options for fixing the OBDII code P1620 in a BMW may include replacing the map cooling thermostat, repairing any damaged wiring or connectors in the circuit, or resetting the fault code after addressing the root cause.
6. How much does it typically cost to repair the OBDII code P1620 in a BMW?
- The cost of repairing the OBDII code P1620 in a BMW can vary depending on the extent of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed. It is advisable to get a few quotes from different mechanics.
7. Can a DIY enthusiast fix the OBDII code P1620 in a BMW?
- Depending on your skill level and access to tools, a DIY enthusiast may be able to address the OBDII code P1620 in a BMW by following repair guides or tutorials specific to the issue. However, electrical and cooling system repairs can be complex, so caution is advised.
8. Is the OBDII code P1620 in a BMW a common issue?
- The OBDII code P1620 related to the map cooling thermostat control circuit signal high is not as common as some other OBDII codes, but it can occur in BMW vehicles with this specific system.
9. What is the purpose of the map cooling thermostat in a BMW?
- The map cooling thermostat in a BMW helps regulate the engine temperature by controlling the flow of coolant to the engine, ensuring optimal performance and efficiency.
10. How can I prevent the OBDII code P1620 from appearing in my BMW in the future?
- To prevent the OBDII code P1620 from reoccurring in your BMW, it is important to perform regular maintenance on your cooling system, including checking the thermostat and its associated components for any signs of wear or malfunction.
Discuss the causes and fixes for P1620 BMW OBDII Code
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P0340 code can cause P1620 issue. If you solve P0340 issue (admission camshaft position sensor), P1620 code will desapear
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Got an 01 bmw e39 530i and have codes for p1620 p114 camshaft overadvaneced, I just replaced all my coil packs and spark plugs, and maf sensor,cuz my car was running rough , running much better but now I have this p1620 code , can I drive it for sometime before needing to fix?
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