P2135: owner reports and bulletins
Got P2135 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.
What owners report to NHTSA
126 complaints filed with NHTSA mention P2135, 71 of them since 2015, across 62 different models. The component owners most often filed it under: vehicle speed control.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| CHEVROLET MALIBU | 18 | 2008, 2010, 2011, 2012, 2017 |
| FORD FOCUS | 7 | 2009, 2010 |
| CHEVROLET EQUINOX | 7 | 2007, 2010, 2011 |
| CHEVROLET SILVERADO 1500 | 5 | 2003, 2004, 2006, 2009 |
| CHEVROLET CRUZE | 5 | 2012 |
| NISSAN ALTIMA | 4 | 2004, 2005, 2008 |
| HYUNDAI SONATA | 4 | 2007, 2012 |
| CHEVROLET IMPALA | 4 | 2006, 2010, 2011 |
| CHEVROLET TAHOE | 4 | 2010, 2011, 2013 |
| CHEVROLET AVEO | 4 | 2008, 2009 |
Manufacturer service bulletins that name P2135
25 technical service bulletins and manufacturer communications filed with NHTSA mention P2135, from 10 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:
- NISSAN FRONTIER (2020, 2021), bulletin 10202255: MIL ON WITH DTC P0223, P0507 AND/OR P2135 STORED IN THE ECM IF YOU CONFIRM The MIL is ON and one or more of the following DTCs is stored in the ECM: P0223 - TP SEN 1/CIRC-B1 P0507 - ISC SYSTEM P2135 - TP SENSOR-B1 AND Th…
- YAMAHA TRACER 9 GT (2021), bulletin 10211660: Service Manual Corrections FI Troubleshooting Process Changed for DTC P2135 The 2021 Tracer 9 GT Service Manual has been revised to correct several errors.
- YAMAHA MT-09 (2021), bulletin 10211661: Service Manual Corrections FI Troubleshooting Process Changed for DTC P2135 The 2021 MT-09 and MT-09 SP Service Manuals have been revised to correct several errors.
- FORD FOCUS (2012, 2013, 2014), bulletin 10136582: Some 2012-2014 Focus vehicles equipped with a 2.0L gasoline direct injection (GDI) engine may exhibit concerns of engine runs rough, crank no-start, loss of power, loss of engine RPM, and/or illuminated MIL with diagnost…
- CADILLAC ESCALADE (2005, 2006, 2008, 2009), bulletin 10137449: This technical bulletin provides a procedure for replacing the throttle position sensor cover for concerns regarding a indicator lamp illuminated reduced power message displayed and DTC P2135 set.
- CHEVROLET AVALANCHE (2007, 2009, 2010, 2011), bulletin 10137449: This technical bulletin provides a procedure for replacing the throttle position sensor cover for concerns regarding a indicator lamp illuminated reduced power message displayed and DTC P2135 set.
Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.