P0070: owner reports and bulletins

Powertrain (generic, all makes). We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got P0070 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

2 complaints filed with NHTSA mention P0070, 1 of them since 2015, across 2 different models. The component owners most often filed it under: electrical system.

Manufacturer service bulletins that name P0070

30 technical service bulletins and manufacturer communications filed with NHTSA mention P0070, from 5 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • CHRYSLER PACIFICA (2023, 2024), bulletin 10247408: Ambient Air Temperature Sensor 2023-24MY RU Ambient Air Temperature Sensor not reading temp correctly or setting DTC P0073, P0070-15. Before ordering a new sensor, make sure to disconnect and connect sensor and drive veh…
  • CHRYSLER 300 (2022, 2023, 2020, 2021), bulletin 10236878: Malfunction Indicator Lamp Illuminated. U11E9 Lost Communication With AGS. Ambient Air Temp Incorrectly Displayed. P0070 And P0073 Set For Ambient Air Temp Sensor
  • DODGE CHALLENGER (2023, 2022), bulletin 10236878: Malfunction Indicator Lamp Illuminated. U11E9 Lost Communication With AGS. Ambient Air Temp Incorrectly Displayed. P0070 And P0073 Set For Ambient Air Temp Sensor
  • JEEP GRAND CHEROKEE (2023, 2022), bulletin 10236873: Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sen…
  • RAM 1500 (2016, 2017, 2018, 2019), bulletin 10236873: Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sen…
  • CHRYSLER VOYAGER (2022), bulletin 10221359: Ambient Temp Sensor PSU- Pentastar Upgrade Engine - Ambient Temp Sensors After experiencing any P0070-11, P0070-15, P0071, P0072, or P0073 codes, follow the diagnostic procedure. If the procedure directs you to replace t…

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.