P2172: owner reports and bulletins
Got P2172 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
12 complaints filed with NHTSA mention P2172, 12 of them since 2015, across 6 different models. The component owners most often filed it under: engine.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| CHRYSLER 200 | 6 | 2015 |
Manufacturer service bulletins that name P2172
109 technical service bulletins and manufacturer communications filed with NHTSA mention P2172, from 6 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:
- RAM 1500 (2019, 2020, 2021), bulletin 10190632: ESC ABS MIL light on DTC?s P0507, P04FC, P2172 set
- DODGE CHALLENGER (2020), bulletin 10175741: Powertrain Control Module (PCM) Replacement - P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation) This bulletin involves replacing the Powertrain Control Module (PCM) and re-programming with the latest…
- JEEP GRAND CHEROKEE (2020), bulletin 10175741: Powertrain Control Module (PCM) Replacement - P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation) This bulletin involves replacing the Powertrain Control Module (PCM) and re-programming with the latest…
- JEEP COMPASS (2020), bulletin 10181612: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further inves…
- JEEP CHEROKEE (2020), bulletin 10204382: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicat…
- JEEP WRANGLER (2020), bulletin 10212409: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further inves…
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.