2017 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

DTC Check/Clear

CAUTION: If the SSM4 is connected to the vehicle with the engine switch off, the information stored in entry and start system related ECMs (the certification ECM and main body ECM) cannot be read. However, entry and start system DTCs and [Data monitor] information can be confirmed even if the engine switch is off using the method below:
  1. CHECK DTC (POWER SOURCE CONTROL)
    1. Connect the SSM4 to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the SSM4 on.
    4. Enter the following menus: [Keyless Access(Power Supply ECM)] →[DTC]
    5. Check for DTCs.
      NOTE: Refer to the SSM4 operator's manual for further details.
  2. CHECK DTC (ENTRY AND START)
    1. Connect the SSM4 to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the SSM4 on.
    4. Enter the following menus: [Keyless Access(Collation ECM)] →[DTC]
    5. Check for DTCs.
      NOTE: Refer to the SSM4 operator's manual for further details.
  3. CHECK DTC (ENGINE AND ECT)
    1. Connect the SSM4 to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the SSM4 on.
    4. Enter the following menus: [Engine Control System] →[DTC]
    5. Check for DTCs.
      NOTE: Refer to the SSM4 operator's manual for further details.
  4. CLEAR DTC (POWER SOURCE CONTROL)
    1. Connect the SSM4 to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the SSM4 on.
    4. Enter the following menus: [Keyless Access(Power Supply ECM)] →[DTC] →[Clear Memory]
    5. Clear the DTCs by following the directions on the SSM4 display.
      NOTE: Refer to the SSM4 operator's manual for further details.
  5. CLEAR DTC (ENTRY AND START)
    1. Connect the SSM4 to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the SSM4 on.
    4. Enter the following menus: [Keyless Access(Collation ECM)] →[DTC] →[Clear Memory]
    5. Clear the DTCs by following the directions on the SSM4 display.
      NOTE: Refer to the SSM4 operator's manual for further details.
  6. CLEAR DTC (ENGINE AND ECT)
    1. Connect the SSM4 to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the SSM4 on.
    4. Enter the following menus: [Engine Control System] →[DTC] →[Clear Memory]
    5. Clear the DTCs by following the directions on the SSM4 display.
      NOTE: Refer to the SSM4 operator's manual for further details.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.