P2804
Transmission Range Sensor B Circuit Intermittent
P2804 is an OBD-II diagnostic trouble code meaning: Transmission Range Sensor B Circuit Intermittent. Common causes: gear range sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Incorrect gear shifting
- Check Engine Light Illuminates
- The car may not start
- The gearbox may go into emergency mode
- Floating engine speed
Causes
- Gear Range Sensor B Malfunction
- Open or short circuit in the sensor circuit
- Oxidation or damage to contacts in connectors
- Low or contaminated transmission fluid
- Problems with the transmission control unit
How to Fix
- Check the level and condition of the transmission fluid
- Visually inspect the sensor wiring and connectors
- Check the resistance and voltage at the sensor
- Replace range sensor B if necessary
- Reset the error and check the operation of the automatic transmission
Related codes
Error P2804 by Vehicle Brand
FAQ
What does the P2804 code mean?
P2804 is an OBD-II diagnostic trouble code that indicates: Transmission Range Sensor B Circuit Intermittent
What causes a P2804 error code?
The most common causes of P2804 include: Gear Range Sensor B Malfunction; Open or short circuit in the sensor circuit; Oxidation or damage to contacts in connectors; Low or contaminated transmission fluid.
How do I fix a P2804 diagnostic trouble code?
To fix P2804: Check the level and condition of the transmission fluid. Visually inspect the sensor wiring and connectors. Check the resistance and voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2804?
Limited driving only, diagnose soon
How much does it cost to fix P2804?
The estimated repair cost for P2804 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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