Volkswagen Golf 2013 Quick Reference Specification Book page 205

DTC Error Message
P2195 Sensor Signal Biased/Stuck
Lean Bank 1 Sensor 1
P2196 O2 Sensor Signal Biased/
Stuck Rich Bank 1 Sensor 1
P2231 O2 Sensor Bank 1 Sensor
1 Signal Circuit Shorted to
Heater Circuit
P2237 O2 Sensor Positive Current
Control Circuit Open Bank 1
Sensor 1
P2243 O2 Sensor Reference Voltage
Circuit Open Bank 1 Sensor 1
P2251 O2 Sensor Negative Current
Control Circuit Open Bank 1
Sensor 1
P2257 Secondary Air Injection
System Control Circuit Low
P2258 Secondary Air Injection
System Control Circuit High
P2270 O2 Sensor Signal Stuck Lean
Bank 1 Sensor 2
P2271 O2 Sensor Signal Stuck Rich
Bank 1 Sensor 2
P2274 O2 Sensor Signal Stuck Lean
Bank 1 Sensor 3
P2275 O2 Sensor Signal Stuck Rich
Bank 1 Sensor 3
P2279 Intake Air System Leak
VW Golf & GTI Quick Reference Specification Book • September 2012
Malfunction Criteria and
Threshold Value
Delta lambda of 2nd lambda
control loop > 0.07
Delta lambda of 2nd lambda
control loop < -0.07
Delta O2S signal front > 190 uA
• O2S signal front 1.49 - 1.51 V
• Delta lambda controller > 0.10
• O2S signal front > 3.25 V and
Internal resistance > 1000
Ohm
• O2S signal front < 0.30 V and
Internal resistance > 1000
Ohm
O2S signal front 1.47 to 1.53 V
and internal resistance > 1000
Ohm
Signal voltage 0 to 3.26 V
Signal current .60 - 2.40 A
• O2S signal rear < -2.00 mV
• Enrichment after stuck lean
27.9%
• Sensor voltage of >= 0.15 V
• After oxygen mass flow > 3000
mg
• Number of checks >= 1
• O2S rear signal not oscillating
at reference < 0.62 to 0.65 V
• Enrichment after stuck lean
27.9%
• O2S sensor voltage >= 0.15 V
• After oxygen mass flow (fuel
cutoff) > 4500 mg
• Number of checks >= 1
• Threshold to detect a defective
system > 1.33 - 1.60
193