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.
2007 Volvo XC70FACTORY OEM SERVICE PROCEDURE
Upper Electronics Module (UEM) DTCS
UPPER ELECTRONICS MODULE (UEM) - DTC INDEX
| DTC | Description |
|---|---|
| UEM-0004 | Siren. Communication fault |
| UEM-0005 | Sun roof. Communication fault |
| UEM-0008 | Reading lamp. Signal too low |
| UEM-0009 | Reading lamp. Signal too low |
| UEM-000A | Movement sensor. Communication fault |
| UEM-000B | Movement sensor. Signal too low |
| UEM-000C | Mass movement sensor. Signal too high |
| UEM-0011 | Mass movement sensor. Signal too low |
| UEM-0013 | Movement sensor. Internal fault |
| UEM-001C | General courtesy lighting. Signal faulty |
| UEM-001D | Reading lamp. Signal too high |
| UEM-001E | Reading lamp. Signal too high |
| UEM-0020 | Rear view mirror. Signal missing |
| UEM-0030 | Reading lamp. Signal too low |
| UEM-0031 | Reading lamp. Signal missing |
| UEM-0032 | Reading lamp. Signal too low |
| UEM-0033 | Reading lamp. Signal missing |
| UEM-0034 | Reading lamp. Signal too low |
| UEM-0035 | Reading lamp. Signal missing |
| UEM-0036 | Reading lamp. Signal too low |
| UEM-0037 | Reading lamp. Signal missing |
| UEM-0038 | General lighting. Signal too low |
| UEM-0039 | General lighting. Signal missing |
| UEM-003A | Extended X supply (EXT_X). Signal too low |
| UEM-003C | Cargo compartment lighting/3rd row reading lamps. Signal too low |
| UEM-003D | Cargo compartment lighting/3rd row reading lamps. Faulty signal |
| UEM-0041 | Control unit. Internal fault |
| UEM-0051 | Sunroof. Signal faulty |
| UEM-0052 | Sunroof motor. Signal too high |
| UEM-0053 | Sunroof motor. Signal too low |
| UEM-0054 | Sunroof motor. Signal too low |
| UEM-0056 | Sunroof motor. Signal too high |
| UEM-0057 | Sunroof motor. Signal too high |
| UEM-0058 | Sunroof motor. Signal too high |
| UEM-0059 | Sunroof motor. Signal too high |
| UEM-0060 | Sunroof motor. Signal too high |
| UEM-0061 | Sunroof motor. Signal too high |
| UEM-0062 | Sunroof motor. Signal too high |
| UEM-0063 | Sunroof motor. Signal too high |
| UEM-0064 | Sunroof. Signal too high |
| UEM-0065 | Sunroof. Signal faulty |
| UEM-0066 | Sunroof. Signal faulty |
| UEM-0067 | Sunroof. Signal faulty |
| UEM-0068 | Sunroof. Signal faulty |
| UEM-0070 | Sunroof. Signal faulty |
| UEM-0071 | Control unit. Internal fault |
| UEM-0072 | Control unit. Internal fault |
| UEM-0078 | Siren. Configuration fault |
| UEM-0080 | Rain sensor. Signal missing |
| UEM-0081 | Rain sensor. Signal too low |
| UEM-0082 | Rain sensor. Signal too high |
| UEM-0083 | Rain sensor. Internal fault |
| UEM-0084 | Rain sensor. Faulty signal |
| UEM-0090 | PAD lamp. Signal too low |
| UEM-0091 | PAD lamp. Signal too high |
| UEM-0093 | Seat belt reminder. Faulty signal |
| UEM-0094 | Seat belt reminder. Signal too high |
| UEM-00A0 | Tire pressure sensor. Signal missing |
| UEM-00A1 | Tire pressure sensor. Signal missing |
| UEM-00A2 | Tire pressure sensor. Signal missing |
| UEM-00A3 | Tire pressure sensor. Signal missing |
| UEM-00A4 | Tire pressure sensor. Low battery voltage |
| UEM-00A5 | Tire pressure sensor. Low battery voltage |
| UEM-00A6 | Tire pressure sensor. Low battery voltage |
| UEM-00A7 | Tire pressure sensor. Low battery voltage |
| UEM-00A8 | Tire pressure warning. Sensor missing |
| UEM-00A9 | Control module. Configuration fault |
| UEM-E001 | Control module communication. Faulty communication |
| UEM-E003 | Configuration fault. Faulty configuration |
| UEM-XXXX | Unknown diagnostic trouble code (DTC) for the current control module version |
Factory Service Tools
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.
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