Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA20133 MAZDASPEED, 2.3L ENG VIN 3REPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLON-BOARD DIAGNOSTIC [DYNAMIC STABILITY CONTROL SYSTEM]DTC U0452:86 [ABNORMAL MESSAGE FROM SAS CONTROL MODULE]DIAGNOSTIC PROCEDURE
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3
Diagnostic procedure
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3SECTION Diagnostic procedure
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT FOR SAS CONTROL MODULE MALFUNCTION
|
Yes | Go to applicable DTC inspection. (See DTC TABLE [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (See DTC TABLE [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) |
| No | Go to the next step. | ||
| 2 | VERIFY THAT THE SAME DTC IS NOT PRESENT
|
Yes | Repeat the inspection from Step 1. If the malfunction recurs, replace the SAS control module, then go to the next step. (See SAS CONTROL MODULE REMOVAL/INSTALLATION .) |
| No | Go to the next step. | ||
| 3 | VERIFY THAT NO OTHER DTCS ARE PRESENT
|
Yes | Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) |
| No | DTC troubleshooting completed. | ||
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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.