P0849
Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent
P0849 is an OBD-II diagnostic trouble code meaning: Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent. Common causes: transmission fluid pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- Switching delays
- Jerks or jolts when moving
- Check Engine Light Illuminates
- Activating transmission emergency mode
Causes
- Transmission fluid pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Oxidized or damaged connector pins
- Low transmission fluid level
- Contaminated transmission fluid
How to Fix
- Check the level and condition of the transmission fluid
- Visually inspect the sensor wiring harness and connectors
- Check the resistance and voltage in the sensor circuit
- Replace transmission fluid pressure sensor if necessary
- Clean the connector contacts and replace damaged wires
Related codes
Error P0849 by Vehicle Brand
FAQ
What does the P0849 code mean?
P0849 is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent
What causes a P0849 error code?
The most common causes of P0849 include: Transmission fluid pressure sensor malfunction; Open or short circuit in the sensor circuit; Oxidized or damaged connector pins; Low transmission fluid level.
How do I fix a P0849 diagnostic trouble code?
To fix P0849: Check the level and condition of the transmission fluid. Visually inspect the sensor wiring harness and connectors. Check the resistance and voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0849?
Limited driving only, diagnose soon
How much does it cost to fix P0849?
The estimated repair cost for P0849 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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