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.
2008 Volvo XC70FACTORY OEM SERVICE PROCEDURE
Phone Module (PHM) DTCS
PHONE MODULE (PHM) - DTC INDEX
| DTC | Volvo Code | Description |
|---|---|---|
| B10A2 | PHM-B10A211 | Crash Input. General Electrical Failures. Circuit short to ground |
| B10A2 | PHM-B10A215 | Crash Input. General Electrical Failures. Circuit short to battery or open |
| B1169 | PHM-B116911 | Handset hook sensor. General Electrical Failures. Circuit short to ground |
| B1169 | PHM-B116915 | Handset hook sensor. General Electrical Failures. Circuit short to battery or open |
| B116A | PHM-B116A11 | Handset microphone. General Electrical Failures. Circuit short to ground |
| B116A | PHM-B116A15 | Handset microphone. General Electrical Failures. Circuit short to battery or open |
| B116B | PHM-B116B11 | Handset speaker. General Electrical Failures. Circuit short to ground |
| B116B | PHM-B116B15 | Handset speaker. General Electrical Failures. Circuit short to battery or open |
| B116C | PHM-B116C09 | External SIM Cable/SIM card. General Failure Information. Component Failures |
| B116D | PHM-B116D11 | SOS On Call keypad. General Electrical Failures. Circuit short to ground |
| B116D | PHM-B116D15 | SOS On Call keypad. General Electrical Failures. Circuit short to battery or open |
| B116D | PHM-B116D4A | SOS On Call keypad. System Internal Failures. Incorrect component installed |
| B116D | PHM-B116D97 | SOS On Call keypad. Component Failures. Component or system operation obstructed or blocked |
| B116E | PHM-B116E11 | SOS On Call illumination. General Electrical Failures. Circuit short to ground |
| B116E | PHM-B116E15 | SOS On Call illumination. General Electrical Failures. Circuit short to battery or open |
| B116F | PHM-B116F09 | Telematics SIM card. General Failure Information. Component Failures |
| B1179 | PHM-B117904 | Integrated GSM/GPRS unit. General Electrical Failures. System Internal Failures |
| B117A | PHM-B117A11 | Back-up microphone. General Electrical Failures. Circuit short to ground |
| B117A | PHM-B117A15 | Back-up microphone. General Electrical Failures. Circuit short to battery or open |
| B117B | PHM-B117B11 | Handset supply. General Electrical Failures. Circuit short to ground |
| B117B | PHM-B117B12 | Handset supply. General Electrical Failures. Circuit short to battery |
| B1A56 | PHM-B1A5615 | Antenna. General Electrical Failures. Circuit short to battery or open |
| B1D55 | PHM-B1D5513 | Antenna #2. General Electrical Failures. Circuit open |
| U0010 | PHM-U001000 | Medium Speed CAN Communication Bus. General Failure Information. No sub type information |
| U0140 | PHM-U014000 | Lost Communication With Central electronic module. General Failure Information. No sub type information |
| U0164 | PHM-U016400 | Lost Communication With Climate control unit. General Failure Information. No sub type information |
| U0199 | PHM-U019900 | Lost Communication With Driver door module. General Failure Information. No sub type information |
| U0200 | PHM-U020000 | Lost Communication With Passenger door module. General Failure Information. No sub type information |
| U0300 | PHM-U030000 | Internal Control Module Software Incompatibility. General Failure Information. No sub type information |
| U1A4D | PHM-U1A4D96 | Control module internal power +8 V. Component Failures. Component internal failure |
| U1A4E | PHM-U1A4E96 | Control module internal power handset supply. Component Failures. Component internal failure |
| U1A4F | PHM-U1A4F96 | Control module internal power +5 V. Component Failures. Component internal failure |
| U1A50 | PHM-U1A5096 | Control module internal power +3 V. Component Failures. Component internal failure |
| U2100 | PHM-U210000 | Control Module Not Configured. General Failure Information. No sub type information |
| U2101 | PHM-U210100 | Control Module Configuration Incompatible. General Failure Information. No sub type information |
| U2109 | PHM-U210909 | Back-up battery. General Failure Information. Component Failures |
| U2109 | PHM-U210991 | Back-up battery. Component Failures. Parametric |
| U3000 | PHM-U300044 | Control Module. System Internal Failures. Data memory failure |
| U3000 | PHM-U300055 | Control Module. System Programming Failures. Not configured |
| U3003 | PHM-U300362 | Battery Voltage. Algorithm Based Failures. Signal compare failure |
Factory Service Tools
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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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