HomeP1B14 · Code meaning and manufacturer information
Powertrain

P1B14

Code meaning and manufacturer information

P1B14

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.

Manufacturer communications

9

Original wording in English

ALFA ROMEO, CHRYSLER, DODGE, JEEP, RAM

Reported code forms P1B14

The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may…

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S2621000003

DODGE, JEEP, RAM

Reported code forms P1B14

Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV transmissions that have fault codes P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.

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RAM

Reported code forms P1B14-00

Flash: Transmission Control Module (TCM) Updates *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):…

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21-015-25 REV.A

RAM

Reported code forms P1B14

Flash: Transmission Control Module (TCM) Updates **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):…

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0900321REVA

RAM

Reported code forms P1B14-00

Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnectingif necessary. Customers may experience a Malfunction Indicator Lamp (MIL)…

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RAM

Reported code forms P1B14-00

Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnectingif necessary. Customers may experience a Malfunction Indicator Lamp (MIL)…

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Check vehicle applicability

152

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

MakeModelModel year
Alfa RomeoGIULIA2026
Alfa RomeoGIULIA2025
Alfa RomeoGIULIA2024
Alfa RomeoGIULIA2023
Alfa RomeoGIULIA2022
Alfa RomeoGIULIA2021
Alfa RomeoGIULIA2020
Alfa RomeoGIULIA2019
Alfa RomeoGIULIA2018
Alfa RomeoGIULIA2017
Alfa RomeoSTELVIO2026
Alfa RomeoSTELVIO2025
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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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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.