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.
2004 Volvo V70 Base, 2.4 61, StandardFACTORY OEM SERVICE PROCEDURE
PHONE MODULE (PHM) DTC Codes
PHONE MODULE (PHM) DTC INDEX
| Volvo Code | Description |
|---|---|
| PHM-0001 | Power supply. Faulty signal. Intermittent fault |
| PHM-0001 | Power supply. Faulty signal. Permanent fault (USA/CDN) |
| PHM-0004 | Hands-free loudspeaker. Signal too low. Intermittent fault (USA/CDN) |
| PHM-0004 | Hands-free loudspeaker. Signal too low. Permanent fault (USA/CDN) |
| PHM-0006 | Hands-free loudspeaker. Signal too high. Intermittent fault (USA/CDN) |
| PHM-0006 | Hands-free loudspeaker. Signal too high. Permanent fault (USA/CDN) |
| PHM-0008 | Hands-free microphone. Signal missing. Intermittent fault (USA/CDN) |
| PHM-0008 | Hands-free microphone. Signal missing. Permanent fault (USA/CDN) |
| PHM-0009 | Hands-free microphone. Signal too high. Intermittent fault (USA/CDN) |
| PHM-0009 | Hands-free microphone. Signal too high. Permanent fault (USA/CDN) |
| PHM-000A | Hands-free microphone. Signal too low. Intermittent fault (USA/CDN) |
| PHM-000A | Hands-free microphone. Signal too low. Permanent fault (USA/CDN) |
| PHM-000B | Handset cradle. Signal too high. Intermittent fault (USA/CDN) |
| PHM-000B | Handset cradle. Signal too high. Permanent fault (USA/CDN) |
| PHM-000C | Handset cradle. Signal missing. Intermittent fault (USA/CDN) |
| PHM-000C | Handset cradle. Signal missing. Permanent fault (USA/CDN) |
| PHM-000D | Handset microphone. Signal too low. Intermittent fault (USA/CDN) |
| PHM-000D | Handset microphone. Signal too low. Permanent fault (USA/CDN) |
| PHM-000F | Handset loudspeaker. Signal too high. Intermittent fault (USA/CDN) |
| PHM-000F | Handset loudspeaker. Signal too high. Permanent fault (USA/CDN) |
| PHM-0010 | Handset loudspeaker. Signal too low. Intermittent fault (USA/CDN) |
| PHM-0010 | Handset loudspeaker. Signal too low. Permanent fault (USA/CDN) |
| PHM-0012 | Handset supply. Signal too low. Intermittent fault (USA/CDN) |
| PHM-0012 | Handset supply. Signal too low. Permanent fault (USA/CDN) |
| PHM-0013 | Control module. Internal fault. Intermittent fault |
| PHM-0013 | Control module. Internal fault. Permanent fault (USA/CDN) |
| PHM-0014 | Carphone antenna. Faulty signal. Intermittent fault (USA/CDN) |
| PHM-0014 | Carphone antenna. Faulty signal. Permanent fault (USA/CDN) |
| PHM-0015 | Control module. Internal fault. Intermittent fault |
| PHM-0015 | Control module. Internal fault. Permanent fault (USA/CDN) |
| PHM-0020 | Handset microphone. Signal too high. Intermittent fault (USA/CDN) |
| PHM-0020 | Handset microphone. Signal too high. Permanent fault (USA/CDN) |
| PHM-0022 | Handset supply. Signal too high. Intermittent fault (USA/CDN) |
| PHM-0022 | Handset supply. Signal too high. Permanent fault (USA/CDN) |
| PHM-0030 | Backup battery. Low voltage (USA/CDN) |
| PHM-0031 | GPS unit. Internal fault. Intermittent fault |
| PHM-0031 | GPS unit. Internal fault. Permanent fault (USA/CDN) |
| PHM-0032 | GPS antenna. Signal too low. Intermittent fault (USA/CDN) |
| PHM-0032 | GPS antenna. Signal too low. Permanent fault (USA/CDN) |
| PHM-0033 | GPS-antenna. Open circuit. Intermittent fault (USA/CDN) |
| PHM-0033 | GPS-antenna. Open circuit. Permanent fault (USA/CDN) |
| PHM-0034 | GPS antenna. Signal too high. Intermittent fault (USA/CDN) |
| PHM-0034 | GPS antenna. Signal too high. Permanent fault (USA/CDN) |
| PHM-003A | Internal antenna. Open circuit. Intermittent fault |
| PHM-003A | Internal antenna. Open circuit. Permanent fault (USA/CDN) |
| PHM-E001 | Control module communication. Faulty communication |
| PHM-E003 | Configuration fault. Faulty configuration |
| PHM-XXXX | Unknown diagnostic trouble code (DTC) for the current control module version |
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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