Diagnostic Trouble Code (DTC) Information SRS-U201664

Condition

The Supplemental restraint system module (SRS) checks internal components in the control module.

The diagnostic trouble code (DTC) is stored if the control module detects that:

Internal components do not work.
Incorrect value runs longer than 2.5 seconds.

The control module's test for the diagnostic trouble code (DTC) starts in the event of:

Ignition position II and III. Only during start-up of the supplemental restraint system.

NOTE:

The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.

Fig 1: Identifying Supplemental Restraint System (SRS) Module

Courtesy of VOLVO CARS CORPORATION

Substitute Value

None.

Possible Source

Incorrect software in the Supplemental restraint system module (SRS).

Fault symptom[s]

SRS warning light on
SRS warning message displayed