JEEP

0811323

Manufacturer communications

Publication date: 2023-05-03
Received by NHTSA: 2023-07-31
NHTSA record numbers: 10239921

Manufacturer summary

Original wording in English

Flash: Drivetrain Control Module (DTCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) or warning lamp illumination. Upon further investigation the technician may find that the multiple Diagnostic Trouble Codes (DTCs) have been set: ? C1403-29 - Transfer Case Range Position Sensor-Signal Invalid. ? C14AA-62 - Transfer Case Motor Position Sensor Supply-Signal Compare Failure. This bulletin involves reprogramming the DTCM with the latest software available.

NHTSA manufacturer communications ↗

Reported code forms

C1403 C14AA

Manufacturer wording

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

JeepC1403-29

Transfer Case Range Position Sensor-Signal Invalid

NHTSA 10239921 · NHTSA 10239927

JeepC14AA-62

Transfer Case Motor Position Sensor Supply-Signal Compare Failure

NHTSA 10239921 · NHTSA 10239927

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Make	Model	Model year
Jeep	GRAND CHEROKEE	2022

Data coverage →