OBDII Code List

C1018 MERCURY - Regenerative Braking Calibration/Parameter Memory Failure

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Diagnostic Trouble Codes (DTCs) present in ABS module
  • Wiring, terminals or connectors
  • Vacuum leak
  • Battery undervoltage (less than 9 volts)
  • Battery overvoltage (greater than 16.9 volts)
  • Brake pedal application
  • Brake booster vacuum sensor
  • Vacuum pump
  • Brake pedal angle sensor
  • Brake booster travel sensor

Tech notes

C1018:00 Regenerative Braking: No Sub Type Information
C1018:46 Regenerative Braking: Calibration/Parameter Memory Failure
C1018:62 Regenerative Braking: Signal Compare Failure

Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1018 Mercury Description

The ABS module is the main control module for the braking system including the regenerative brake system. When a new ABS module and HCU assembly are installed on a vehicle, several calibration routines must be performed using a diagnostic scan tool for the brake system to operate correctly. Certain criteria must be met for each calibration routine to complete successfully. If a calibration routine fails to complete there is a Parameter Identification (PID) in the ABS module that aids in identifying the concern that caused the routine to fail.
OBDII Code C1018 Mercury - Regenerative Braking Calibration/Parameter Memory Failure -

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