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Additional Intermittent Checks

  1. Check PASS-Key decoder module harness connector at base of steering column, wiring and terminals. Check decoder module connector for bent pins.
  2. Check starter relay for correct lock mechanism and connections. Lightly tap decoder module and determine if module is intermittent. Manufacturer indicates an intermittent problem is not usually caused by decoder module. Thermal cycle starter enable relay and decoder module. Reinstall in vehicle to induce fault.
Fig 1: Locating Anti-Theft Components (Eldorado & Seville)
G93J40583Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Anti-Theft Components (Riviera)
G93A40584Courtesy of GENERAL MOTORS CORP.
UTD & PASS-KEY COMPONENT LOCATION

Component Location
Eldorado & Seville
Diode Pack Taped To Body Main Harness, One Inch In Front Of Rear Edge Of Left Rocker Panel Channel
Door Lock Cylinder Switches Behind Each Front Door Handle, On Key Cylinder
Keyless Entry Module In Left Electronics Bay
PASS-Key Decoder Module In Right Electronics Bay
Powertrain Control Module (PCM) Behind Right Side Of Instrument Panel, At Top Of Kick Panel
RAP/Illuminated Entry Module In Right Electronics Bay
Road Sensing Suspension Module In Right Electronics Bay
Starter Enable Relay Taped To Body Main Harness, 9 Inches To Rear Left Rocker Panel Channel
Theft Deterrent Module In Left Electronics Bay
Trunk Fuse Block Left Side Of Trunk
Trunk Micro Relay Center In Left Electronics Bay
Riviera
Door Lock Cylinder Switch In Door Lock Cylinder
Interior Relay Center At Right Front Of Console
Keyless Entry Module Center Front Of Trunk, Above Rear Shelf
PASS-Key Decoder Module On Bracket Behind Left Side Of Instrument Panel, Above Parking Brake Assembly
Starter Enable Relay Behind Left Side Of Instrument Panel, Mounted On Theft Deterrent Module Bracket
Theft Deterrent Diode Behind Left Side Of Instrument Panel, Left Of Steering Column, In Dash Channel
Theft Deterrent Module On Bracket Behind Left Side Of Instrument Panel, Above Parking Brake Assembly
Theft Deterrent Relay Behind Left Side Of Instrument Panel, Taped To Interior Relay Center