Diagnostic trouble code (DTC) information

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Condition

Fig 1: Identifying System Relay Control Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Diagnostic trouble code (DTC) ECM-24 is stored if there is a short-circuit to ground or supply voltage or an open-circuit in the signal cable for the system relay.

Substitute Value

None.

Possible Source

Signal too high:

Short-circuit to supply voltage in the signal cable.

Signal too low:

Short-circuit to ground in signal cable
Open-circuit in the signal cable.

Fault symptom[s]

The engine fails to start
Malfunction indicator lamp (MIL) lit.