DTC U3003-08/U3003-16/U3003-17: Power Supply System (DSC): Notes
DTC U3003:08/U3003:16/U3003:17 (DYNAMIC STABILITY CONTROL) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC |
U3003:08, U3003:16, U3003:17 |
Power supply system |
| DETECTION CONDITION |
- U3003:08
- While the vehicle is traveling at a speed of 10 km/h {6.2 mph} or more, a CAN signal error caused by low power supply voltage is detected.
- U3003:16
- When driving the vehicle at 20 km/h {12 mph} or more, low ignition voltage (10 V or less) is detected at the voltage monitor of the solenoid valve or motor monitor.
- U3003:17
- High ignition voltage (18 V or more) is detected at the voltage monitor of the solenoid valve or motor monitor.
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| FAIL-SAFE FUNCTION |
- U3003:08
- Permits the control and does not illuminate each warning/indicator light.
- U3003:16
- Illuminates the ABS warning light and TCS/DSC indicator light.
- Does not illuminate the brake warning light (9.4-10.0 V or less for 210 ms or more).
- Illuminates the brake warning light (7.55-8.45 V or less for 30 ms or more).
- Inhibits the ABS, TCS, DSC and brake assist controls.
- Permits the EBD control (9.4-10.0 V or less for 210 ms or more).
- Inhibits the EBD control (7.55-8.45 V or less for 30 ms or more).
- U3003:17
- Illuminates the ABS warning light, brake system warning light and TCS/DSC indicator light.
- Inhibits the ABS, EBD, TCS, DSC and brake assist controls.
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| POSSIBLE CAUSE |
- Battery deterioration
- Generator malfunction
- SAS 10A/ABS V 20A/ABS P 40A/IG KEY1 50A/BTN 60A fuse malfunction
- Open or short circuit in wiring harness between DSC HU/CM terminal Y and battery
- Open or short circuit in wiring harness between DSC HU/CM terminal AU and battery
- Open or short circuit in wiring harness between DSC HU/CM terminal AT and battery
- Open circuit in wiring harness between DSC HU/CM terminal B and body ground
- Poor connection at connectors (female terminal)
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 Courtesy of MAZDA MOTORS CORP.
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