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Body

B1600

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 communications

3

Original wording in English

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SSM 54492 ↗

FORD

Some 2021-2026 F-150 vehicles may exhibit an inoperative USB media hub with diagnostic trouble code (DTC) B1600:11 stored in the accessory protocol interface module (APIM). Workshop Manual (WSM), Section 415-00 - Information and Entertainment System > Diagnosis and Testing > pinpoint test "A USB (Universal Serial Bus) Input Conc…

01012004 ↗

MAZDA

ENGINE NO CRANK ALONG WITH IMMOBILIZER MALFUNCTION. DIAGNOSTIC TROUBLE CODES P1260 (IMMOBILIZER SYSTEM PROBLEM) AND B1600/B1602 (KEY ID NUMBER CANNOT BE READ) AND/OR U2516 (IC-CAN BUS OFF TRANSMIT ERROR) MAY BE STORED IN MEMORY. MAZDA M-TIPS. *TT

17157 ↗

FORD, MERCURY

PASSIVE ANTI-THEFT SYSTEM (PATS) DIAGNOSTIC TROUBLE CODE (DTC) B1600 AND/OR B1602 WITH NO RELATED SYMPTOMS. *TT

Check vehicle applicability

9

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
FordF-150 ↗2026
FordF-150 ↗2025
FordF-150 ↗2024
FordF-150 ↗2023
FordF-150 ↗2022
FordF-150 ↗2021
FordFREESTAR ↗2004
MazdaMAZDA3 ↗2004

Code meaning and manufacturer information

Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.

PATS Ignition Key Transponder Signal Is Not Received

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.