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Flash Codes

Flash code Condition Possible causes Action
None No communication with RCM
  • Data link connector (DLC) fault
  • RCM supply circuits: open circuit, short circuit to ground, short circuit to B+
  • ISO circuit: open circuit, short circuit to ground, short circuit to B+
For DLC circuit tests, RCM and ISO circuit tests, Refer to Module Communications Network article.
None Air bag warning lamp inoperative
  • Warning lamp circuit: short circuit to ground
  • Warning lamp failure
For warning lamp circuit tests,Refer to Pinpoint Test A ..
Flash code - Constant Warning lamp ON  constantly
  • RCM disconnected
  • Warning lamp circuit: open circuit, short circuit to high voltage
  • Instrument cluster failure
For warning lamp circuit tests,Refer to Pinpoint Test B .. Contact dealer technical support for advice on possible IC failure
Flash code - 12 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • RCM internal failure
Contact dealer technical support for advice on possible RCM failure
Flash code - 13 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Crash data memory is full
INSTALL a new RCM, Restraints Control Module (RCM) - Removal and Installation .
Flash code - 14 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • RCM bracket incorrectly secured
Correctly install RCM, tighten securing bolts to the correct torque
Flash code - 15 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Incorrect occupant classification module (OCM) fitted
  • Incorrect RCM fitted
Check OCM and RCM part numbers
Flash code - 16 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • OCM circuit(s): failure
  • PWS circuit(s): high resistance, short circuit to high voltage, short circuit to ground
  • Belt tension sensor circuit(s): high resistance, short circuit to high voltage, short circuit to ground
  • OCM failure
  • PWS failure
  • Belt tension sensor failure
For OCM, PWS and belt tension sensor circuit tests,Refer to Pinpoint Test C ..
Flash code - 17 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Transducers A,B,C or D circuit(s): high resistance, short circuit to high voltage, short circuit to ground
  • Transducers A,B,C or D failure
  • OCM failure
For transducer circuit tests,Refer to Pinpoint Test D ..
Flash code - 18 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • PAD warning lamp bulb
  • PAD warning lamp bulb circuit: high resistance, short circuit to ground, short circuit to B+
For PAD warning lamp bulb circuit tests,Refer to Pinpoint Test E ..
Flash code - 19 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Driver air bag module circuit(s): high resistance, short circuit to high voltage, short circuit to ground
  • Driver air bag module
  • Clock spring failure
For driver airbag module and clockspring circuit tests,Refer to Pinpoint Test F ..
Flash code - 21 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Passenger air bag module
For passenger air bag module tests,Refer to Pinpoint Test G ..
Flash code - 22 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Driver side air bag module
For driver side air bag module tests,Refer to Pinpoint Test H ..
Flash code - 23 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Passenger side air bag module
For passenger side airbag module tests,Refer to Pinpoint Test I ..
Flash code - 24 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Driver side curtain air bag
For driver curtain airbag tests,Refer to Pinpoint Test J ..
Flash code - 25 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Passenger curtain air bag
For passenger curtain airbag tests,Refer to Pinpoint Test K ..
Flash code - 33 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Driver seat belt pretensioner
For driver seat belt pretensioner tests,Refer to Pinpoint Test L ..
Flash code - 34 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Passenger seat belt pretensioner
For passenger seat belt pretensioner tests,Refer to Pinpoint Test M ..
Flash code - 35 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Driver side rear seat belt pretensioner
For driver side rear seat belt pretensioner tests,Refer to Pinpoint Test N ..
Flash code - 36 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Center rear seat belt pretensioner
For center rear seat belt pretensioner tests,Refer to Pinpoint Test P ..
Flash code - 37 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Passenger side rear seat belt pretensioner
For passenger side rear seat belt pretensioner tests,Refer to Pinpoint Test O ..
Flash code - 42 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Front crash sensor
For front crash sensor circuit tests,Refer to Pinpoint Test Q ..
Flash code - 43 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Driver side crash sensor
For driver side front crash sensor tests,Refer to Pinpoint Test R ..
Flash code - 44 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Passenger side crash sensor
For passenger side crash sensor circuit tests,Refer to Pinpoint Test S ..
Flash code - 45 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Driver side rear crash sensor
For driver side rear crash sensor circuit tests,Refer to Pinpoint Test T ..
Flash code - 46 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Passenger side rear crash sensor
For passenger side rear crash sensor circuit tests,Refer to Pinpoint Test U ..
Flash code - 49 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Driver seat position switch
  • Driver seat position switch circuit(s): high resistance, short circuit to high voltage, short circuit to ground
For seat position switch circuit tests,Refer to Pinpoint Test V ..
Flash code - 51 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Driver seat belt buckle switch
  • Driver seat belt buckle switch circuit(s): high resistance, short circuit to high voltage, short circuit to ground
For driver seat belt buckle switch circuit tests,Refer to Pinpoint Test W ..
Flash code - 52 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Passenger seat belt buckle switch
  • Passenger seat belt buckle switch circuit(s): high resistance, short circuit to high voltage, short circuit to ground
For passenger seat belt buckle switch circuit tests,Refer to Pinpoint Test X ..
Flash code - 53 Warning lamp Flashes  to indicate code (see Reading restraints flash codes  )
  • Audible warning circuit
For audible warning circuit tests,Refer to Pinpoint Test Y ..