P2101 on Chevrolet vehicles The electronic throttle is not moving to where it was commanded

A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.

Bulletins and campaigns Chevrolet filed with NHTSA whose summary names P2101. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

• PIP5501A Service bulletin
  2017-07-10 · Equipment — Electrical — Radio/Tape Deck/Cd Etc.
• This Preliminary information communicates Vehicles may be setting DTC P2101 falsely. In 2017 the K2XX introduced a “Driver Door Open Prime” (DDOP) feature that improves cold startability. The engineering investigation has determined that an intermittent pulse on the ECM RUN/CRANK input (during vehicle door unlock), initializes the Electronic Throttle Control (ETC) diagnostics that falsely sets P21
• PIP5501 Service bulletin
  2017-06-15 · Equipment — Other — Owners/Service/Other Manual
• This Preliminary information communicates Vehicles may be setting DTC P2101 falsely. In 2017 the K2XX introduced a “Driver Door Open Prime” (DDOP) feature that improves cold startability. The engineering investigation has determined that an intermittent pulse on the ECM RUN/CRANK input (during vehicle door unlock), initializes the Electronic Throttle Control (ETC) diagnostics that falsely sets P21
• PIP4578B Service bulletin
  2017-12-18 · Engine And Engine Cooling
• This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Please discard PIP4578.
• 18NA037 Service bulletin
  2018-02-05 · Electrical System — Software
• This Bulletin provides ECM reprogramming information to Correct DTC P2101.
• PIE0444A Service bulletin
  2018-03-02 · Engine
• This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P2101 Throttle Actuator Position Performance and/or P2119 Throttle Closed Position Performance.
• PIE0444 Service bulletin
  2018-01-10 · Power Train — Automatic Transmission — Control Module (Tcm/Pcm/Tecm)
• This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P2101 Throttle Actuator Position Performance and/or P2119 Throttle Closed Position Performance.
• 25-NA-002 Service bulletin
  2025-01-10 · Engine
• This technical bulletin provides repair information to correct a customer concern of DTC P0601 Missing from Vehicle, Setting DTC P2101 Instead.

A stored code names the test that failed, never the part that caused it. The record above is what Chevrolet and its owners have filed about it; the code’s page across every make has the whole file.