P1888
CVT Speed Sensor
P1888 is an OBD-II diagnostic trouble code meaning: CVT Speed Sensor. Common causes: cvt speed sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Incorrect gear shifting
- Transmission transition to emergency mode
- Check Engine Light Illuminates
- Reduced vehicle dynamics
- Jerks when shifting gears
Causes
- CVT speed sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Low transmission fluid level
- Mechanical problems of the variator
How to Fix
- Check transmission fluid level
- Inspect the sensor wiring and connectors
- Check the sensor resistance with a multimeter
- Replace CVT speed sensor if necessary
- Scan the system for other fault codes
Related codes
FAQ
What does the P1888 code mean?
P1888 is an OBD-II diagnostic trouble code that indicates: CVT Speed Sensor
What causes a P1888 error code?
The most common causes of P1888 include: CVT speed sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Low transmission fluid level.
How do I fix a P1888 diagnostic trouble code?
To fix P1888: Check transmission fluid level. Inspect the sensor wiring and connectors. Check the sensor resistance with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1888?
Limited driving only, diagnose soon
How much does it cost to fix P1888?
The estimated repair cost for P1888 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat