Skoda Diagnostic Trouble Codes
OBD2 fault codes seen on Skoda vehicles, with what each code means and the Skoda models it shows up on. Each code's page has its typical repair cost range.
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"B" Camshaft Position - Timing Over-Retarded (Bank 1)
- Skoda Octavia • 2008-2024
Shares engines with VW Golf (1.4 TSI and 2.0 TSI).
HO2S Heater Control Circuit (Bank 1 Sensor 1)
- Skoda Octavia (FSI/TSI) • 2004-2024
The Octavia shares its platform and petrol engines (FSI, TSI) with the Golf, so the Group's diagnostic…
HO2S Heater Control Circuit (Bank 1 Sensor 2)
- Skoda Octavia (FSI/TSI) • 2004-2024
The Octavia shares its platform and petrol engines (FSI, TSI) with the Golf, so the Group's diagnostic…
Intake Air Temperature Sensor 2 Circuit High
- Skoda Octavia • 2008-2024
A corroded connector can mimic an open circuit on a charge air sensor, especially in damp climates. Open the…
Secondary Air Injection System Incorrect Flow Detected
- Skoda Octavia • 2005-2024
Match the secondary air valve or pump to the engine code before ordering.
Exhaust Pressure Sensor "A" Circuit
- Skoda Fabia 1.6 TDI • 2010-2014
The common-rail 1.6 TDI (engine code CAYC) in the Fabia uses the same Volkswagen group exhaust pressure…
Exhaust Pressure Sensor "A" Circuit Range/Performance
- Skoda Fabia 1.6 TDI • 2010-2014
The common-rail 1.6 TDI (engine code CAYC) in the Fabia uses the same Volkswagen group exhaust pressure…
Diesel Particulate Filter Efficiency Below Threshold (Bank 1)
- Skoda Octavia TDI • 2006-2024
Skoda diesels share VW group engines and fault logic, where P2002 is listed with a faulty exhaust pressure…
Diesel Particulate Filter Pressure Sensor "A" Circuit
- Skoda Octavia TDI • 2006-2019
The Octavia TDI uses the same Volkswagen group exhaust pressure sensor 1 (G450) as the Golf. On engines whose…
Diesel Particulate Filter Pressure Sensor "A" Circuit Range/Performance
- Skoda Octavia TDI • 2006-2019
The Octavia TDI uses the same Volkswagen group exhaust pressure sensor 1 (G450) as the Golf. On engines whose…
Diesel Particulate Filter Pressure Sensor "A" Circuit Low
- Skoda Octavia TDI • 2006-2019
The Octavia TDI uses the same Volkswagen group exhaust pressure sensor 1 (G450) as the Golf. On engines whose…
Diesel Particulate Filter Pressure Sensor "A" Circuit High
- Skoda Octavia TDI • 2006-2019
The Octavia TDI uses the same Volkswagen group exhaust pressure sensor 1 (G450) as the Golf. On engines whose…
Electrical
Engine Oil Temperature Sensor
- Skoda Octavia • 2005-2024
Engine Oil Temperature Sensor Range/Performance
- Skoda Octavia • 2005-2024
Skoda's workshop manual for the Octavia Mk1 tests the G266 oil level and oil temperature sender with the oil…
System Voltage Low
- Skoda Octavia • 2005-2024
Check the main power cable and its crimp connections for heat or corrosion, and measure the voltage drop…
Intake Manifold Runner Control Circuit/Open (Bank 1)
- Skoda Octavia • 2004-2024
On the Octavia, P2008 has the same meaning: an open circuit in the intake manifold runner control. Check your…
Fuel System
Turbocharger/Supercharger "A" Underboost Condition
- Skoda Octavia • 2008-2024
Shares the VW 1.4 TSI and 2.0 TDI engines. The 1.8 TSI is fitted to regular Octavias. The Octavia RS uses a…
Intake Manifold Runner Control Stuck Open (Bank 1)
- Skoda Octavia • 2004-2024
Whether your Octavia has intake manifold flaps depends on the engine code. With P2004 stored, run the…
Intake Manifold Runner Control Stuck Closed (Bank 1)
- Skoda Octavia • 2004-2024
Check that a flap repair kit lists your engine code before buying it.
Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance (Bank 1)
- Skoda Octavia • 2008-2014
The Octavia with the 2.0 TDI common-rail engine shares the intake manifold and flap arrangement behind P2015…
Misfire
Cylinder 1 Misfire Detected
- Skoda Octavia • 2008-2024
The Octavia uses the same VW Group EA888 and 1.2/1.4 TSI engines, so cylinder-1 misfires usually come from…
Cylinder 2 Misfire Detected
- Skoda Octavia • 2005-2024
The Octavia shares the EA888 and EA211 engines with VW Golf.
Cylinder 4 Misfire Detected
- Skoda Octavia • 2013-2019
The Octavia RS 2.0 TSI uses the EA888 engine, a direct-injection design on which carbon deposits can collect…
EVAP System
Evaporative Emission System Purge Control Valve Circuit
- Skoda Octavia (first generation) 1.6 petrol, 55 kW (AEE) • 1996-2000
Skoda's workshop manual for the first-generation Octavia 1.6 (55 kW) feeds the purge valve, called N80…
Evaporative Emission Control System Purge Control Valve Circuit Open
- Skoda Octavia 1.6 (1U) • 1996-2010
Skoda's workshop manual for the first-generation Octavia with the 1.6 petrol (55 kW) calls the purge valve…
Evaporative Emission System Leak Detected (Large Leak)
- Skoda Fabia • 2007-2024
Transmission
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