P1857 on 2015-2021 Skoda Fabia — Transmission Transfer Case Contact Plate 'C' Short Circuit To Ground
1 vehicles · 1 makes · $80-$350 repair
Most Reported On
P1857 is an OBD-II diagnostic trouble code meaning “Transmission Transfer Case Contact Plate 'C' Short Circuit To Ground.” P1857 is a manufacturer-specific powertrain code. In its most commonly cited form (Ford, Mazda and related makes) it indicates a short-circuit-to-ground condition in circuit 'C' of the electronic transfer case contact plate (the multi-position contact/encoder that reports transfer case shift position to the control module). On some other platforms the same code number is used differently — notably VAG (Volkswagen/Audi), where P1857 reports a faulty/missing engine-load signal message sent to the transmission control module — so confirm against the specific make before repairing. This code is most commonly reported on 2015-2021 Skoda Fabia, with repair costs ranging from $80 to $350.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P1857, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
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- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
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- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
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- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does P1857 mean?
P1857 stands for "Transmission Transfer Case Contact Plate 'C' Short Circuit To Ground." P1857 is a manufacturer-specific powertrain code. In its most commonly cited form (Ford, Mazda and related makes) it indicates a short-circuit-to-ground condition in circuit 'C' of the electronic transfer case contact plate (the multi-position contact/encoder that reports transfer case shift position to the control module). On some other platforms the same code number is used differently — notably VAG (Volkswagen/Audi), where P1857 reports a faulty/missing engine-load signal message sent to the transmission control module — so confirm against the specific make before repairing.
What are the most common causes of P1857?
The most common causes of P1857 are: Faulty or worn transfer case contact plate / position sensor, Short to ground or chafed/damaged wiring in the contact plate 'C' circuit, Corroded, loose, or contaminated transfer case shift connector, Failed transfer case shift motor or encoder motor, Faulty transfer case control module (TCCM) or transmission control module, Internal transfer case mechanical fault or low fluid affecting the shift mechanism. The specific cause varies by vehicle.
How much does it cost to fix P1857?
Repair costs for P1857 range from $80 to $350, depending on the vehicle and root cause.
Which vehicles are affected by P1857?
Au7o has documented P1857 across 1 vehicle models from 1 manufacturers: Skoda.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.