GO to M5.
M4 CHECK THE RCM
Ignition ON.
Carry out Programmable Module Installation (PMI) for the RCM. Manually enter
as-built data. Refer to Section 418-01.
Enter the following diagnostic mode on the scan tool: Self Test — RCM .
Was DTC B00A0:4A retrieved on-demand during self-test?
Yes
INSTALL a new RCM. REFER to Restraints Control Module (RCM) in this section. GO
to M5.
No
Fault corrected. GO to M5.
M5 CHECK FOR ADDITIONAL SRS DTCs
Ignition OFF.
WARNING: Turn the ignition OFF and wait one minute to deplete the
backup power supply. Failure to follow this instruction may result in serious
personal injury or death in the event of an accidental deployment.
Reconnect all SRS components (if previously disconnected).
If previously directed to depower the SRS, repower the SRS. Do not prove out the
SRS at this time. Refer to Supplemental Restraint System (SRS) Depowering and
Repowering in this section.
Ignition ON.
Enter the following diagnostic mode on the scan tool: Self Test — Restraints .
NOTE: When selecting Restraints from the Self Test menu, DTCs will be retrieved
from the RCM and OCSM.
Are any RCM and/or OCSM DTCs retrieved on-demand during self-test?
Yes
Do not clear any DTCs until all DTCs have been resolved. GO to the DTC Charts in this
section for pinpoint test direction.
No
CLEAR all RCM and OCSM CMDTCs. PROVE OUT the SRS. Repair is complete.
RETURN the vehicle to the customer.
2011 Mustang Workshop Manual
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSBB/~MUS~LEN/21/S