DTC Table For Manual Climate Control Unit
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Failure to do this can damage the control module. Turn ignition OFF when connecting or disconnecting connectors.
| Diagnostic Trouble Code (DTC) | Remarks |
|---|---|
| MCC 1-1-1 | No DTC set by on-board diagnostic (OBD) system |
| MCC 2-3-1 | Damper Motor Position Sensor air distribution, signal too high |
| MCC 2-3-2 | Damper Motor Position Sensor air distribution, signal too low |
| MCC 2-3-5 | Damper Motor Position Sensor recirculation, signal too high |
| MCC 2-3-6 | Damper Motor Position Sensor recirculation, signal too low |
| MCC 2-4-1 | Air distribution selector, faulty signal |
| MCC 3-4-2 | Damper motor air distribution, active too long |
| MCC 3-5-1 | Damper motor recirculation, active too long |
| MCC 5-1-1 | Damper motor self-adjustment, faulty |
| MCC 5-1-2 | Battery voltage, signal too low |
The exception is diagnostic trouble code (DTC) MCC 1-1-1 for certain control modules.
NOTE:
On the MCC/STANDARD control modules introduced at production start-up of the S70/V70/C70 series must fault-tracing for MCC 3-4-2 be carried out if
the REC button orange indicator LED flashes once at ignition on (diagnostic trouble code (DTC) stored) but
the control module flashes out diagnostic trouble code (DTC) 1-1-1. This applies to control modules marked "S2", "S3" or "S4". See illustration.