JEEP

18-078-22

Manufacturer communications

Publication date: 2022-05-19
Received by NHTSA: 2022-06-27
NHTSA record numbers: 10214622

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 one or more ofthe following DTCs have been set: P0031 - O2 Sensor 1/1 Heater Circuit Low. U0418 - Implausible Data Received From Brake System Control Module. DTC U0418 can be set erroneously due to a low battery (below 10 volts).

NHTSA manufacturer communications ↗

Reported code forms

P0031 U0418

Manufacturer wording

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

JeepP0031

O2 Sensor 1/1 Heater Circuit Low

NHTSA 10136976 · NHTSA 10136999 · NHTSA 10150551

JeepU0418

Implausible Data Received From Brake System Control Module

NHTSA 10214622 · NHTSA 10228030 · NHTSA 11010695

Check vehicle applicability

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Make	Model	Model year
Jeep	CHEROKEE	2021

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