DTC P0135

DTC: P0135 Oxygen sensor 1 (G3/2) heater circuit malfunction

Activation requirement CHECK ENGINE lamp:
Two consecutive trips with failure.

Activation of CHECK ENGINE lamp:
At start of next trip.

Test to detect fault:
Message from engine control module via CAN. Current for oxygen sensor heater is outside the limit (approximately 0.2-2.0 A) longer than approximately 2 seconds.