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HOMESERVICE MANUALSVOLKSWAGEN2008EOS TURBO, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALEXHAUST2.0L - GENERIC SCAN TOOL - ENGINE CODE(S): BPYST GENERIC SCAN TOOLDIAGNOSTIC TROUBLE CODE TABLESSAE P1XXX DIAGNOSTIC TROUBLE CODESFUEL AND AIR RATIOS, CONTROL MODULE
2008 Volkswagen Eos Turbo, Standard

Fuel and Air ratios, control module

2008 Volkswagen Eos Turbo, StandardSECTION Fuel and Air ratios, control module
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P1114 Internal resistance too large (Bank 1, sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to HEATED OXYGEN SENSOR G130 AND OXYGEN SENSOR REGULATION AFTER CATALYTIC CONVERTER, CHECKING . Heater resistance, (128-648)*(8-40)1.02-25.9 k Ohm (dep. on mod. exhaust temp. and heater power)
  • Battery voltage, 10.7-16.1 V
  • Modeled exhaust gas temp, 300-600° C
  • Engine shutoff time, 300 Sec.
  • IAT, >6.75° C
 15 Seconds
  • 2 DCY
P12A1 Fuel Rail Pressure Sensor Inappropriately Low -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR G247, CHECKING .
  • Mixture controller <0.8
  • Output value rail pressure controller System Deviation <-16.4-16.4 Mpa
  • Mixture controller <0
  • Output value rail pressure controller System Deviation >16.4 Mpa
 - 5 Seconds 6550 Seconds
  • 2 DCY
P12A2 Fuel Rail Pressure Sensor Inappropriately High -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR G247, CHECKING .
  • Mixture controller <1.5
  • Output value rail pressure controller <-0.14 MPa
  • System Deviation <-16.4-16.4 Mpa
  • Mixture controller <16
  • Output value rail pressure controller System Deviation >16.4 Mpa
 - 5 Seconds 6550 Seconds
  • 2 DCY
P12A4 Fuel Rail Pump Control Valve Stuck Closed -- Check the Low Fuel Pressure Sensor -G410-. Refer to LOW FUEL PRESSURE SENSOR G410, CHECKING .
  • Mixture controller 1.15-0.9
  • Output value rail pressure controller <-6 MPa
  • System Deviation<16.4
 - 5 Seconds
  • 2 DCY
RENDER: 1.0x

NO RELATED

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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.