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.
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HOMESERVICE MANUALSVOLVO2009C70 AUTOMATICREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXPHONE MODULE (PHM) DTCS
2009 Volvo C70 Automatic
Phone Module (PHM) DTCS
2009 Volvo C70 AutomaticSECTION Phone Module (PHM) DTCS
PHONE MODULE (PHM) - DTC INDEX
| DTC | Description |
|---|---|
| PHM-0008 | Emergency microphone Signal too high |
| PHM-000A | Emergency microphone Signal too low/Signal missing |
| PHM-0013 | Control module Internal fault |
| PHM-0015 | Control module Internal fault |
| PHM-0030 | Reserv battery Voltage too low |
| PHM-0040 | SIM-card Internal fault |
| PHM-0049 | Control module Internal fault |
| PHM-0063 | Illumination buttons Signal too high/Signal missing |
| PHM-0064 | Illumination buttons Signal too low |
| PHM-0065 | Volvo On Call buttons Signal too low |
| PHM-0066 | Volvo On Call buttons Signal too high/Signal missing |
| PHM-0067 | Reserv battery Not connected |
| PHM-0068 | SIM card holder Signal missing |
| PHM-006B | Memory fault control module Internal fault |
| PHM-0080 | Volvo On Call buttons Wrong switches mounted |
| PHM-0082 | Volvo On Call buttons Activated too long |
| PHM-0100 | Control module Configuration fault |
| PHM-0211 | Internal Backup speaker Signal too low |
| PHM-0215 | Emergency microphone Signal too high/Signal missing |
| PHM-1A51 | Control module Incorrect software |
| PHM-1A54 | Control module Incorrect software |
| PHM-4E96 | Control module Internal fault |
| PHM-5529 | Internal backup antenna Invalid signal |
| PHM-5611 | Telephone antenna Signal too low |
| PHM-5615 | Telephone antenna Signal too high/Signal missing |
| PHM-6911 | Handset hook Signal too low |
| PHM-6915 | Handset hook Signal too high/Signal missing |
| PHM-6A11 | Handset microphone Signal too low |
| PHM-6A15 | Handset microphone Signal too high/Signal missing |
| PHM-6B11 | Handset speaker Signal too low |
| PHM-6B15 | Handset speaker Signal too high/Signal missing |
| PHM-7B11 | Handset supply Signal too low |
| PHM-7B12 | Handset supply Signal too high |
| PHM-9F11 | GPS-antenna Signal too low |
| PHM-9F13 | GPS-antenna Signal missing |
| PHM-A211 | Crash signal Signal too low |
| PHM-A215 | Crash signal Signal too high/Signal missing |
| PHM-A238 | Crash signal Faulty signal |
| PHM-C000 | Control module Software fault |
| PHM-E001 | Control module communication Software error |
| PHM-E003 | Configuration fault Software fault |
| PHM-E010 | Power supply Faulty signal |
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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.