P0847Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission fluid pressure sensor failure, Wiring issue
⚙️ Powertrain (Motor y Transmisión)🏭 Specific to Audi
The transmission fluid pressure sensor/switch B reports a circuit low fault. Hydraulic pressure feedback for shift control is unreliable on this channel.
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Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Transmisión · Caja y solenoides
La avería está en la transmisión: solenoides, sensores de velocidad o presión de aceite.
Espacio para vendedores de repuestos
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Symptoms You Will Notice
What you may observe when this code appears
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Possible Causes
The components or conditions that trigger this code
- 1Signal wire shorted to ground
- 2Internal sensor short
- 3Connector pins corroded - high contact resistance
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Estimated Cost
Approximate range in USD (varies by region and shop)
$100—$800
Varies by diagnosis
* Diagnosis only: $50–$150
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Quick Info
CodeP0847
CategoryMotor (P)
ManufacturerAudi
SeverityModerada
Symptoms4
Causes3
Solution steps0
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