Skip to content

U3008 · Manufacturer communications

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

U3008 ← What does this code mean?

5 Results

TSB 26-2302 ↗

FORD, LINCOLN · 2026-06-30

This bulletin supersedes 26-2150. Reason for update: To remove the M6 nut from the part list and remove the Steps to install the M6 nut from the Service Procedure. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: * "Steering Assist Fault Service Required" message displayed in the instrument panel cluster (IPC) * Reduced steering assist * Diagnostic trouble codes (DTCs) U3008:1B and/or U3009:1B stored in the power steering control module (PSCM) This may be due to the PSCM ground connections.

SA-030-26 ↗

MAZDA · 2026-04-22

DESCRIPTION Some vehicles may experience one or more of the following DTCs with the Hybrid system warning light on. This may be caused by an issue with the sub battery located under the passenger floor. P143B Backup power supply system: Sub battery power supply low input. • U3008:01 BPS Backup power supply unit input/output circuit over-current/voltage malfunction. • U3003:17 BPS The output voltage sensor in the backup power supply unit detects that the voltage is standard or more. • U04C0:00 PCM Backup power supply unit internal malfunction. • REPAIR PROCEDURE 1. Remove the sub battery according to the instructions on MGSS. CX-90 (LEAD ACID BATTERY (SUB) REMOVAL/INSTALLATION) • CX-70 (LEAD ACID BATTERY (SUB) REMOVAL/INSTALLATION) • 2. Test the battery's voltage using a digital voltmeter…

TSB 26-2150 ↗

FORD, LINCOLN · 2026-04-09

This TSB supersedes TSB 26-2035. Reason for update: update the Service Procedure to add figures 1, 2, 5 and 6 to clarify the ground location, update Steps (13-15, 21-22), and update the Parts list according to the type of vehicle variant and repair. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: * "Steering Assist Fault Service Required" message displayed in the instrument panel cluster (IPC) * Reduced steering assist * Diagnostic trouble codes (DTCs) U3008:1B and/or U3009:1B stored in the power steering control module (PSCM) This may be due to the PSCM ground connections.

TSB 26-2035 ↗

FORD, LINCOLN · 2026-02-05

This TSB supersedes TSB 25-2350 to update the Service Procedure, vehicles affected, and parts list. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: * "Steering Assist Fault Service Required" message displayed in the instrument panel cluster (IPC) * Reduced steering assist * Diagnostic trouble codes (DTCs) U3008:1B and/or U3009:1B stored in the power steering control module (PSCM) This may be due to the PSCM ground connections.

TSB 25-2350 ↗

FORD, LINCOLN · 2025-07-25

Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: * "Steering Assist Fault Service Required" message displayed in the instrument panel cluster (IPC) * Reduced steering assist * Diagnostic trouble codes (DTCs) U3008 and/or U3009 stored in the power steering control module (PSCM) This may be due to the PSCM ground connections.