P2127 — OBD-II trouble code

A manufacturer-specific powertrain OBD-II trouble code. Below are the vehicles and failure patterns where owners report it, drawn from NHTSA complaints.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite P2127 across 10 vehicle failure patterns. Diagnostic codes in complaints are reported by owners and are unverified — they point to where this code shows up, not a confirmed diagnosis. Open a page below for the full pattern (symptoms, mileage, repair costs owners cite).

Vehicles where owners report P2127 10 patterns

2021 Hyundai Santa Fe

engine — Unexpected stalling while driving

2017 Chevrolet Malibu

cruise control — Accelerator Pedal Position Sensor Failure – Reduced Engine Power Mode

2017 Chevrolet Malibu

engine — Engine Power Reduced / Limp Mode

2016 Jeep Patriot

cruise control — Electronic Throttle Control (ETC) Failure – Loss of Acceleration

2015 Dodge Dart

electrical — Unintended engine shutdown while driving

2010 Chevrolet Impala

powertrain — Loss of engine power with service stabilitrak and traction control warnings

2010 Volkswagen Jetta

fuel system — High-pressure fuel pump (HPFP) failure

2009 Chevrolet Impala

electrical — Service Traction Control / Reduced Engine Power / Stalling

2008 Kia Sorento

powertrain — ESC/Check Engine Light with Loss of Power and Acceleration Failure

2008 Pontiac G6

cruise control — Throttle Position Sensor Fault (P2127) Causing Speed Limiting

Codes are pulled from what owners wrote in their NHTSA filings — they're allegations, not a shop diagnosis. Always confirm with a live scan. Browse all diagnostic codes →