Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1487 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS AND DESCRIPTIONS (HYBRID))DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONSDTC P2800: TRANSMISSION RANGE SENSOR B CIRCUIT (PRNDL INPUT)
2005 Ford Taurus SEL, 4D Sedan
DTC P2800: Transmission Range Sensor B Circuit (PRNDL Input)
2005 Ford Taurus SEL, 4D SedanSECTION DTC P2800: Transmission Range Sensor B Circuit (PRNDL Input)
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
P2800 - TRANSMISSION RANGE SENSOR B CIRCUIT (PRNDL INPUT)
| Description: | The powertrain control module (PCM) checks the gear selector position by monitoring two independent voltage signals from the transmission range (TR) sensor. The TR voltages are then compared to an allowed voltage range for each gear. The test fails when the compared voltages are out of range. This DTC indicates that one TR signal is more than one band away from the majority. | ||
| Possible Causes: |
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| Diagnostic Aids: | Monitor the TR_A1 and TR_A2 sensor voltage parameter identifiers (PIDs). The TR_A1 sensor voltage has a negative slope, and TR_A2 sensor voltage has a positive slope. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST TA . | ||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.