1998 Mercedes Benz E430FACTORY OEM SERVICE PROCEDURE

Keyless Entry System DTCS: 1996

DIAGNOSTIC TROUBLE CODE LIST (RCL CONTROL MODULE)

Code Cause Test/Remedy
B1000 RCL Control Module Replace RCL Control Module
B1100 Control Line Deactivation Test 19: Control Line Activation/Deactivation Short To Voltage and Test 20: Control Line Activation/Deactivation Short To Ground
B1101 Control Line Deactivation Test 19: Control Line Activation/Deactivation Short To Voltage and Test 20: Control Line Activation/Deactivation Short To Ground
B1102 Drive Authorization System Control Line Circuit Test 20: Control Line Activation/Deactivation Short To Ground and TEST 21: CAN "L" Data Line Open
B1103 Red Indicator Lamp Circuit Test 5: RCL Receiver Red Indicator Light
B1104 Green Indicator Lamp Circuit Test 6: RCL Receiver Green Indicator Light
B1701 Incorrect Authorization Code (4 & 6 Cylinder) Test 6: RCL Receiver Green Indicator Light
B1702 Incorrect Authorization Code (8 & 12 Cylinder) Test 6: RCL Receiver Green Indicator Light
B1703 Attempt Was Made To Start Vehicle Locked With RCL Test 6: RCL Receiver Green Indicator Light
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.