Mercedes Benz Code = 0185 (Throttle valve actuator): Output stage (P2101)
Mercedes Benz Code = 0186 (Throttle valve actuator): Output stage (P2101)
Mercedes Benz Code = 0187 (Throttle valve actuator): Output stage (P2101)
Mercedes Benz Code = 0188 (Throttle valve actuator): Output stage (P2101)
Mercedes Benz Code = 0200 (Throttle valve actuator): Position Throttle valve (P2101)
Mercedes Benz Code = 0205 (Throttle valve actuator): Position Throttle valve (P2101)
Mercedes Benz Code = 0206 (Throttle valve actuator): Position Throttle valve (P2101)
Mercedes Benz Code = 0216 (Throttle valve actuator): Throttle valve adaptation is faulty (P2101)
Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the P2101 Mercedes-Benz code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
This fault code is stored in the Engine Control Module (ECM) when a fault is detected with the Throttle Positioner Motor. The ECM monitors the current flow through the motor and if the current flow is exceeds a predetermined limit this fault code is logged. The ECM uses a comparator circuit to monitor the current flow. A mechanical detect within the throttle valve assembly can effect current flow. Mechanical condition of the throttle valve assembly should be investigated before any electrical fault finding procedure.
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