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 MANUALSSAAB20059-3 LINEAR (9440) L4-2.0L TURBO (2.0T)REPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSDESCRIPTION AND OPERATIONANTI-LOCK BRAKES WITH ESP AND TCSMAIN COMPONENTS
2005 Saab 9-3 Linear (9440) L4-2.0L Turbo (2.0t)
Main Components
2005 Saab 9-3 Linear (9440) L4-2.0L Turbo (2.0t)SECTION Main Components
Main components
1. TCS control module (382)/ESP control module (671)
- control module
- valve housing
- pump
2. MIU (540)
- ABS warning lamp
- TCS or ESP indicator lamp
- TCS OFF or ESP OFF warning lamp
- Brake warning lamp (EBD fault)
3. SID (541c)
- Warning message, EBD fault
- Warning message, ABS fault
- Warning message, TCS fault
- Warning message, ESP fault
4. Wheel speed sensor (298), front left (298FL)
5. Wheel speed sensor (298), front right (298FR)
6. Wheel speed sensor (298), rear left (298RL)
7. Wheel speed sensor (298), rear right (298RR)
8. SID (737)
- TCS or ESP ON/OFF
9. Trionic T8 control module (589b)/Control module, PSG 16 (595)
10. Steering wheel angle integrated in CIM (657) - ESP only
11. Yaw sensor (658) - ESP only
12. Brake light switch (29)
1. TCS control module (382)/ESP control module (671)
- control module
- valve housing
- pump
2. MIU (540)
- ABS warning lamp
- TCS or ESP indicator lamp
- TCS OFF or ESP OFF warning lamp
- Brake warning lamp (EBD fault)
3. SID (541c)
- Warning message, EBD fault
- Warning message, ABS fault
- Warning message, TCS fault
- Warning message, ESP fault
4. Wheel speed sensor (298), front left (298FL)
5. Wheel speed sensor (298), front right (298FR)
6. Wheel speed sensor (298), rear left (298RL)
7. Wheel speed sensor (298), rear right (298RR)
8. SID (737)
- TCS or ESP ON/OFF
9. Trionic T8 control module (589b)/Control module, PSG 16 (595)
10. Steering wheel angle integrated in CIM (657) - ESP only
11. Yaw sensor (658) - ESP only
12. Brake light switch (29)
RENDER: 1.0x
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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.