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.
DTC Detection Logic
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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U1725 |
R-PSHELF C- WOOFER (Rear parcel shelf center woofer) |
OPEN |
Diagnosis condition |
When ignition switch is ON. |
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Signal (terminal) |
Sound signal (between BOSE amp. and rear woofer.) |
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Threshold |
Open circuit |
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Diagnosis delay time |
30 seconds or more |
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SHORT |
Diagnosis condition |
When ignition switch is ON. |
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Signal (terminal) |
Sound signal (between BOSE amp. and rear woofer.) |
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Threshold |
Short circuit |
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Diagnosis delay time |
30 seconds or more |
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GND-SHORT |
Diagnosis condition |
When ignition switch is ON. |
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Signal (terminal) |
Sound signal (between BOSE amp. and rear woofer.) |
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Threshold |
Short to ground circuit |
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Diagnosis delay time |
30 seconds or more |
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VB-SHOR |
Diagnosis condition |
When ignition switch is ON. |
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Signal (terminal) |
Sound signal (between BOSE amp. and rear woofer.) |
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Threshold |
Short to power supply circuit |
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Diagnosis delay time |
30 seconds or more |
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NO RELATED
Use the Manual With the Right Hardware
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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.