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 MANUALSSAAB1995900 SE, 4D HATCHBACK, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLTRACTION CONTROL SYSTEMDIAGNOSIS & TESTINGDTC B1386: RIGHT REAR WHEEL, NO SIGNAL
1995 Saab 900 SE, 4D Hatchback, Automatic
DTC B1386: Right Rear Wheel, No Signal
1995 Saab 900 SE, 4D Hatchback, AutomaticSECTION DTC B1386: Right Rear Wheel, No Signal
NOTE:
This test assumes ANTI LOCK light is not on. If ANTI LOCK light is on, diagnose Anti-Lock Brake system. See appropriate article:
- ANTI-LOCK BRAKE SYSTEM - 1995.
- ANTI-LOCK BRAKE SYSTEM - 1996.
- Turn ignition on. Connect Saab ISAT Scan Tool (86 10 651). Select WHEEL SPEED RR command in OBTAIN READINGS menu. If wheel speed is displayed, go to next step. If wheel speed is not displayed, connect breakout box to TCS control module. Rotate right rear wheel by hand. If wheel speed of about 15 Hz is present at breakout box pin No. 8, go to next step. If wheel speed is not present, check for an open circuit in Orange/White wire between TCS control module terminal No. 8 and ABS control module terminal No. 19. Repair wiring as necessary.
- Erase DTC and test drive vehicle. If DTC reoccurs, replace TCS control module. See REPLACING TCS CONTROL MODULE .
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.