P2805 Code - Transmission Range Sensor 'A'/'B' Correlation
Quick Answer
The P2805 diagnostic trouble code (DTC) indicates a correlation issue between the transmission range sensor 'A' and 'B'. Common causes include Faulty transmission range sensor, Wiring or connector issues, ECM malfunction. 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
- P2805 indicates Transmission Range Sensor 'A'/'B' Correlation.
- Common causes
- Common causes include Faulty transmission range sensor, Wiring or connector issues, ECM malfunction.
- 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 P2805 Description
The P2805 diagnostic trouble code (DTC) indicates a correlation issue between the transmission range sensor 'A' and 'B'. The transmission range sensor, also known as the neutral safety switch, is responsible for sending signals to the vehicle's engine control module (ECM) to determine the gear position of the transmission. When the ECM detects a discrepancy between the signals from sensor 'A' and 'B', it triggers the P2805 code.
Common Causes of P2805
- Faulty transmission range sensor
- Wiring or connector issues
- ECM malfunction
- Transmission fluid contamination
- Mechanical damage to the transmission system
Symptoms of P2805
- Difficulty shifting gears
- Engine stalling or not starting
- Incorrect gear display on the dashboard
- Transmission slipping
- Check Engine Light illuminated
How to Fix P2805
- Diagnose the issue by using a scan tool to read the DTC and test the transmission range sensor.
- Inspect the wiring and connectors for any damage or corrosion, and repair or replace as necessary.
- Replace the transmission range sensor if it is found to be faulty.
- Flush and refill the transmission fluid if contamination is detected.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P2805
The cost of repairing the transmission range sensor 'A'/'B' correlation issue can vary depending on the extent of the problem and the specific repairs needed. On average, the parts for this repair can cost between $100 and $300, while the labor costs can range from $150 to $400. Overall, the total repair bill could amount to anywhere from $250 to $700. It's important to note that these estimates are general and actual costs may differ based on various factors.
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Code P2805 Information for Specific Makes
- P2805 Mercedes-Benz — Transmission Range Sensor 'A'/'B' Correlation
Frequently Asked Questions about P2805 Code
No Frequently Asked Questions about P2805 Code found.
Discuss the causes and fixes for P2805 OBDII Code
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IN AUDI A6 2018 MODEL FOUND P280500 TRANSMISSION RANGE SENSOR A/B CORRELATION (00100110 PASSIVE/SPORADIC). PLEASE ADVICE US FOR THIS ABOVE MENTIONED CONCERN
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Unfortunately, I have no information for the 2018 models yet. If you vehicle is 2018, then it should still be under warranty and you should take it to the dealer.
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