Spiffyjiff

bought a durametric and i have the following fault code. is anyone familiar with this or know what part needs fixing? the whole throttle body? or just a part within?

P2126
Throttle valve adjusting unit – potentiometer
NOTE
When a fault is detected, the system is in stand-by operation mode in pedal sensor, i.e.:
---Maximum pedal value is limited to 30 %.
---Dynamism is limited.
Diagnostic conditions
---Supply voltage 10 V ... 16 V
---Engine start
Possible fault causes
---Open circuit, short circuit to B+ or short circuit to ground in the sensor line to potentiometer 1 or 2 of the throttle valve adjusting unit
---Throttle valve adjusting unit faulty
---DME control module faulty