RAM

08-166-26

Manufacturer communications

Publication date: 2026-04-18
Received by NHTSA: 2026-04-22
NHTSA record numbers: 11031446

Manufacturer summary

Original wording in English

Rear Mid Range Radar (MRR) Bracket Revision Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• C00C4-76 - Rear Radar Module "A" - Wrong Mounting Position.
• C00C5-76 - Rear Radar Module "B" - Wrong Mounting Position. Customers may also comment on the following:
• Blind Spot Warning indicator displayed on the Instrument Panel Cluster (IPC). This bulletin involves replacing the right and left side rear MRR brackets.

NHTSA manufacturer communications ↗

Reported code forms

C00C4 C00C5

Manufacturer wording

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

RamC00C4-76

Rear Radar Module "A" - Wrong Mounting Position

NHTSA 11031446

RamC00C5-76

Rear Radar Module "B" - Wrong Mounting Position

NHTSA 11031446

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Make	Model	Model year
Ram	1500	2025

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