P2804 Code - Transmission Range Sensor 'B' Circuit Intermittent
Quick Answer
The P2804 diagnostic trouble code (DTC) indicates an issue with the Transmission Range Sensor 'B' Circuit Intermittent. Common causes include Faulty transmission range sensor, Damaged wiring or connectors in the sensor circuit, Corrosion in the sensor connections. 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
- P2804 indicates Transmission Range Sensor 'B' Circuit Intermittent.
- Common causes
- Common causes include Faulty transmission range sensor, Damaged wiring or connectors in the sensor circuit, Corrosion in the sensor connections.
- 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.
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Code P2804 Description
The P2804 diagnostic trouble code (DTC) indicates an issue with the Transmission Range Sensor 'B' Circuit Intermittent. This sensor is responsible for determining the position of the transmission gear selector, allowing the vehicle's computer system to accurately control gear shifts and other transmission functions. When this circuit is intermittent, it means that there is an inconsistency in the signal being sent from the sensor to the vehicle's computer.
Common Causes of P2804
- Faulty transmission range sensor
- Damaged wiring or connectors in the sensor circuit
- Corrosion in the sensor connections
- Malfunctioning transmission control module
- Low voltage in the sensor circuit
Symptoms of P2804
- Erratic shifting behavior
- Delayed engagement when shifting gears
- Transmission slipping
- Inability to shift into certain gears
- Illumination of the Check Engine Light
How to Fix P2804
- Diagnose the issue by using a scan tool to retrieve the specific DTC and inspecting the transmission range sensor and its circuitry.
- Test the transmission range sensor using a multimeter to check for proper resistance values.
- Inspect the wiring and connectors for any signs of damage or corrosion, repairing or replacing as needed.
- Clear the DTC from the vehicle's computer system and test drive the vehicle to ensure proper transmission operation.
- If the issue persists, consider replacing the transmission range sensor or the transmission control module.
Cost to Fix P2804
The typical repair costs for addressing a Transmission Range Sensor 'B' Circuit Intermittent issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, you can expect to pay anywhere from $150 to $500 for parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It's recommended to consult with a trusted mechanic or repair shop for a more accurate estimate tailored to your specific situation.
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