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18-018-22

Manufacturer communications

Publication date
2022-05-19
Received by NHTSA
2022-06-27
NHTSA record numbers
10214617

Manufacturer summary

Original wording in English

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 investigation the technician may find that one or moreof the following DTCs have been set: P0031 - O2 Sensor 1/1 Heater Circuit Low. P0452 - EVAP Pressure Switch Stuck Closed.

NHTSA manufacturer communications ↗

Reported code forms

P0031P0452

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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MakeModelModel year
RamPROMASTER CITY2021

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