P27B6
Internal Control Module Transmission Speed Sensor Performance
P27B6 is an OBD-II diagnostic trouble code meaning: Internal Control Module Transmission Speed Sensor Performance. Common causes: transmission speed sensor malfunction, problems with wiring to the sensor. Estimated repair cost: $33–167.
Symptoms
- Incorrect gear shifting
- Switching delays
- Switching to emergency mode of the gearbox
- Check Engine Light Illuminates
- Decreased fuel efficiency
Causes
- Transmission speed sensor malfunction
- Problems with wiring to the sensor
- Transmission control module (TCM) malfunction
- Mechanical damage inside the gearbox
- TCM software problems
How to Fix
- Check the condition of the transmission speed sensor
- Check the integrity of wiring and connectors
- Read error codes using an OBD-II scanner
- Check the condition of the transmission control module
- If necessary, replace the sensor or control module
Related codes
Error P27B6 by Vehicle Brand
FAQ
What does the P27B6 code mean?
P27B6 is an OBD-II diagnostic trouble code that indicates: Internal Control Module Transmission Speed Sensor Performance
What causes a P27B6 error code?
The most common causes of P27B6 include: Transmission speed sensor malfunction; Problems with wiring to the sensor; Transmission control module (TCM) malfunction; Mechanical damage inside the gearbox.
How do I fix a P27B6 diagnostic trouble code?
To fix P27B6: Check the condition of the transmission speed sensor. Check the integrity of wiring and connectors. Read error codes using an OBD-II scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P27B6?
Limited driving only, diagnose soon
How much does it cost to fix P27B6?
The estimated repair cost for P27B6 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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