Signal too low. Permanent fault: Verification: Verification

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.

HINT: After carrying out the repair, check that the fault has been remedied.

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Connecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Reinstall the components, reconnect the connectors etc.
Connect VCT2000
Start the engine and allow to idle for approximately 2 minutes.
Check whether diagnostic trouble code (DTC) ECM-18 or ECM-1C has changed status to intermittent.

Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
Courtesy of VOLVO CARS OF NORTH AMERICA.

Is diagnostic trouble code (DTC) ECM-18 or ECM-1C intermittent?

YES
VERIFIED: Troubleshooting has been completed.
NO
Refer to Information