P2176 — 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 P2176 across 5 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 P2176 5 patterns

2011 Chevrolet Malibu

electrical — Throttle body / throttle position sensor malfunction

2010 Chevrolet Traverse

electrical — Engine stalls or shuts down while driving

2009 Chevrolet Impala

cruise control — Accelerator Pedal Position Sensor / Throttle Body Failure

2006 Chevrolet Impala

electrical — Reduced Engine Power / Throttle Actuator Control Module (TACM) Failure

2006 Chevrolet Malibu

engine — Random stalling / loss of power with limp-mode messages

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 →