What does fault code SRS-00E4 mean?

Diagnostic fault code details for SRS-00E4 (Volvo S60 (2001–2009), Volvo S80 (1999–2006), Volvo V70 (2000–2008)). Repair service at OBD Tuning.

VOLVO

SRS-00E4 - CAN signal. Signal missing. Intermittent fault

System

Supplemental Restraint System (SRS)

Volvo models this fault code applies to

Applies to the following models:

5 models

S60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)

Show models by year and engine (5)

What does this fault code mean?

The SRS module does not receive the passenger airbag message over CAN from the central electronic module (CEM). The code is set when the signal is missing. The fault is intermittent, meaning it comes and goes, and the general orange warning lamp comes on.

Possible causes

Open circuit in the CAN cable between the SRS module and the CEM
Fault in the central electronic module (CEM)

What you can do

1Read and note the fault code with diagnostic equipment
2Have a workshop check the CAN cable between the SRS module and the CEM for an open circuit
3Have a workshop confirm that the CEM sends the passenger airbag signal
4Leave the fault-tracing of the passenger airbag to a workshop

Symptoms you may notice1

The general orange warning lamp is lit

General guidance for car owners. Diagnosis on the car can point to a different cause.