Lambda 1 show code 17 Invalid Pump Current - The controller went into protection mode to prevent excess pump current being applied to the sensor. This can occur if exhaust gas is excessively rich or lean or if the sensor is failing. Lambda reading is invalid during this condition.
Lambda 2 ·16 Heated Too Long - Sensor has been heating for too long without reaching operating temperature. Sensor heater may be faulty or there may be a wiring issue. Watch Int. Lambda 1 Temp. during heating to determine if the sensor heats at all. ·33 Open Circuit APE-IPE - Open loop or too high resistance on APE-IPE loop (pump cell).
You can check the lambda status in run times values by pressing F12