Skoda Diagnostic Trouble Codes
OBD2 fault codes seen on Skoda vehicles, with what each code means, its typical repair cost range, and notes on specific Skoda models.
Emissions
"B" Camshaft Position - Timing Over-Retarded (Bank 1)
Skoda Octavia • 2008-2024
Shares engines with VW Golf (1.4 TSI and 2.0 TSI). The same timing chain stretch issue affects early...
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 diagnost...
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 diagnost...
Intake Air Temperature Sensor 2 Circuit High
Skoda Octavia • 2008-2024
The Octavia shares the VAG EA211 and EA888 turbo engines and the same combined charge air pressure a...
Secondary Air Injection System Incorrect Flow Detected
Skoda Octavia • 2005-2024
The Octavia shares VW Group secondary air components. The 1.8 TSI and 2.0 TSI engines use the same c...
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 press...
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 press...
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 pr...
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 engi...
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 engi...
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 engi...
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 engi...
Electrical
Engine Oil Temperature Sensor
Skoda Octavia • 2005-2024
The Octavia shares the VW Group oil level and temperature sensor in the underside of the sump with t...
Engine Oil Temperature Sensor Range/Performance
Skoda Octavia • 2005-2024
Mechanically this is the same G266 oil level and temperature sensor as the Golf and A4, but the Octa...
System Voltage Low
Skoda Octavia • 2005-2024
The Octavia shares alternator and charging system components with the VW Golf. The 2.0 TDI alternato...
Intake Manifold Runner Control Circuit/Open (Bank 1)
Skoda Octavia • 2004-2024
The Octavia shares the same actuator and wiring design as the Golf. P2008 on the Octavia is frequent...
Fuel System
Turbocharger/Supercharger "A" Underboost Condition
Skoda Octavia • 2008-2024
Shares the VW 1.4 TSI and 2.0 TDI engines. The same boost leak and turbo actuator issues apply. Skod...
Intake Manifold Runner Control Stuck Open (Bank 1)
Skoda Octavia • 2004-2024
The Octavia with 2.0 TFSI and 2.0 TDI engines uses the same VAG intake manifold as the Golf and A4. ...
Intake Manifold Runner Control Stuck Closed (Bank 1)
Skoda Octavia • 2004-2024
The Octavia 2.0 TDI is affected in the same way as the Golf and A3. On the Octavia vRS/RS models wit...
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 behi...
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 com...
Cylinder 2 Misfire Detected
Skoda Octavia • 2005-2024
The Octavia shares the EA888 and EA211 engines with VW Golf. The 1.8 TSI in Mk3 models is known for ...
Cylinder 4 Misfire Detected
Skoda Octavia • 2005-2024
The 1.8 TSI and 2.0 TSI engines in the Octavia vRS share the EA888 platform with the VW Golf GTI. Cy...
EVAP System
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...
Evaporative Emission System Leak Detected (Large Leak)
Skoda Fabia • 2007-2024
The Fabia uses VW Group EVAP system components. The charcoal canister is located near the rear wheel...
Transmission
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