Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
P1516
The ECM detects the difference between the desired throttle position and the actual throttle position is greater than 2% for greater than 0.49 ms.
P2101
- The ECM detects a difference of greater than 8% between the actual throttle position and the calculated throttle position for greater than 187 ms.
OR
- The ECM detects the throttle position is greater than 36% during a throttle learn event.
OR
- The ECM detects the throttle position is greater than 35% when the ECM is commanding reduced engine power.
P2119
The ECM determines that the throttle blade did not return to the rest position within 1 s.
P2176
The ECM detects that both throttle position (TP) sensors were greater than a predetermined voltage during the minimum throttle learn procedure for greater than 2 s.