P0158
VAG 1551 Scan Tool Printout:
DTC's P0156/16540 - P0158/16542
Notes:
^ B1 = Bank 1 (right side), S1 = Sensor 1 (front HO2S), B2 = Bank 2 (left side), S2 = Sensor 2 (rear HO2S).
^ DTC PO156/16540 is set 123 seconds after engine start and 30 seconds after O2S heater is switched ON when the O2S signal voltage during a deceleration fuel shut-off is greater than 100 mV with ECT above 80°C (176°F). The deceleration fuel shut-off must last longer than 4 seconds.
^ DTC P0158/16542 is set when O2S voltage is greater than 1.2 volts for longer than 1 second after engine start.