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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSMAZDA20066 I, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESON-BOARD DIAGNOSTIC [DYNAMIC STABILITY CONTROL)DTC B1627 [DSC]NOTES

2006 Mazda 6 i, 4D Sedan, Automatic

DTC B1627 [DSC]: Notes

2006 Mazda 6 i, 4D Sedan, AutomaticSECTION Notes

DTC B1627 [DSC] DETECTION CONDITION AND POSSIBLE CAUSES

DTC B1627	Reverse signal
DETECTION CONDITION	Reverse signal is input for 10 s or more while driving at a vehicle speed of 65 km/h {40 mph}
POSSIBLE CAUSE	Short to power circuit in harness between DSC HU/CM terminal Z and back-up light switch
Courtesy of MAZDA MOTORS CORP.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote 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.