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U1466

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer wording

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

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Manufacturer communications

4

Original wording in English

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23-033-25 ↗

JEEP

Not applicable to vehicles built for US market. Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● U11E3-00 - TCM Lost Communication With ESM On DPT CAN. ● B15A1-00 - Med…

08-051-17 ↗

JEEP

Flash: Electronic Shift Module (ESM) System Improvements This bulletin involves updating the ESM software and if necessary replacing the lower shifter or ?PRNDM?. The customer may experience the following:Shifter lever is locked in park (occurs intermittently upon start up). After 2.5 minutes shifter becomes responsive and funct…

9003615 ↗

RAM

Electronic Shifter Module (ESM) If DTC's U1465, U1466, U1267 are present Stored or Active OR if U114C is Active, please replace the PRNDM and Shifter with the following NIK: 04670682AG Shifter Lower & one of the following PRNDM's which applies; 68253107AC LHD BASE PRNDM 68253112AC RHD BASE PRNDM 68286830AD LHD SRT PRNDM 68286828…

9003615 ↗

CHRYSLER, DODGE, FIAT, JEEP, MOPAR, PLYMOUTH

Electronic Shifter Module (ESM) If DTC's U1465, U1466, U1267 are present Stored or Active OR if U114C is Active, please replace the PRNDM and Shifter with the following NIK: 04670682AG Shifter Lower & one of the following PRNDM's which applies; 68253107AC LHD BASE PRNDM 68253112AC RHD BASE PRNDM 68286830AD LHD SRT PRNDM 68286828…

Check vehicle applicability

13

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

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MakeModelModel year
ChryslerCHRYSLER ↗Year unknown
DodgeDODGE ↗Year unknown
FiatFIAT ↗Year unknown
JeepGRAND CHEROKEE ↗2017
JeepGRAND CHEROKEE ↗2016
JeepJEEP ↗Year unknown
JeepWRANGLER ↗2025
JeepWRANGLER ↗2024

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.