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HOMESERVICE MANUALSLAND ROVER2011LR4 BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXDTC INDEX & GENERAL INFORMATION (2 OF 3)DESCRIPTION & OPERATIONDIAGNOSTIC TROUBLE CODE (DTC) INDEX - (DTC: HEADLAMP CONTROL MODULE B (HCM2))HEADLAMP CONTROL MODULE B (HCM2)DTC'S
2011 Land Rover LR4 Base

Headlamp Control Module B (HCM2): DTC's

2011 Land Rover LR4 BaseSECTION DTC's
DTC Description Possible Causes Action
B1286-16 Interior Mirror - Circuit voltage below threshold
  • Mirror circuit voltage below threshold

    The electrochromic function does not work
  • This DTC is for information only. Clear the DTC and retest. If the problem persists, renew the mirror module. Refer to the warranty policy and procedures manual if a module is suspect
B1286-17 Interior Mirror - Circuit voltage above threshold
  • Mirror circuit voltage above threshold

    The electrochromic function does not work
  • This DTC is for information only. Clear the DTC and retest. If the problem persists, renew the mirror module. Refer to the warranty policy and procedures manual if a module is suspect
B1286-44 Interior Mirror - Data memory failure
  • Mirror control module data memory failure

    (the electrochromic function does not work)
  • Renew the interior mirror module. Refer to the warranty policy and procedures manual if a module is suspect
B1286-47 Interior Mirror - Watchdog/safety micro controller failure
  • Control module watchdog/safety Micro controller failure

    The electrochromic function does not work
  • This DTC is for information only. Clear the DTC and retest. If the problem persists, renew the mirror module. Refer to the warranty policy and procedures manual if a module is suspect
B1286-49 Interior Mirror - Internal electronic failure
  • Mirror internal failures (Active Light Sensor)

    The electrochromic function does not work
  • Renew the interior mirror module. Refer to the warranty policy and procedures manual if a module is suspect
B1286-60 Interior Mirror
  • Operation Temperature below limit

    (the electrochromic function does not work)
  • Allow the vehicle interior temperature to increase, clear the DTC and retest. Consider the environmental conditions before condemning the module
B1286-78 Interior Mirror - Alignment or adjustment incorrect
  • DTC for information only and is logged whenever the increased sensitivity mode has been activated to provide a log of the number of times the feature has been used (increased sensitivity mode is cancelled when the ignition is cycled)
  • Ignore/clear this DTC
B1286-96 Interior Mirror - Component internal failure
  • Mirror internal failures
  • Renew the interior mirror module. Refer to the warranty policy and procedures manual if a module is suspect
B1286-97 Interior Mirror - Component or system operation obstructed or blocked
  • Mirror internal camera component or system operation obstructed or blocked
  • Remove obstructions from the mirror camera (remove stickers etc., clean windscreen inside and out). Clear the DTC and retest for normal operation
B1286-98 Interior Mirror - Component or system over temperature
  • Component or system over temperature
  • Consider the environmental conditions before condemning the module. Allow the component/system to cool, clear the DTC and retest for normal operation
B12AC-11 Electrochromic Door Mirror - Circuit short to ground
  • Electrochromic door mirror output circuit short to ground
  • Refer to the electrical circuit diagrams and check the mirror circuit. Repair as necessary
B12AC-12 Electrochromic Door Mirror -Circuit short to battery
  • Electrochromic door mirror output circuit short to power
  • Refer to the electrical circuit diagrams and check the mirror circuit. Repair as necessary
B12EB-78 Camera Horizontal Alignment - Alignment or adjustment incorrect
  • Mirror internal camera alignment or adjustment incorrect
  • Mirror module fault
  • Windscreen alignment incorrect
  • Check the mirror for security and correct positioning. Clear the DTC and retest for normal operation. If the problem persists, renew the mirror module. Refer to the warranty policy and procedures manual if a module is suspect
B12EC-78 Camera Vertical Alignment - Alignment or adjustment incorrect
  • Mirror internal camera alignment or adjustment incorrect
  • Mirror module fault
  • Windscreen alignment incorrect
  • Check the mirror for security and correct positioning. Clear the DTC and retest for normal operation. If the problem persists, renew the mirror module. Refer to the warranty policy and procedures manual if a module is suspect
B134A-78 Target Aim Verification - Camera Horizontal Alignment - Alignment or adjustment incorrect
  • Mirror internal camera alignment or adjustment incorrect
  • Mirror module fault
  • Windscreen alignment incorrect
  • DTC for information only. Clear/ignore DTC
B134B-78 Target Aim Vertical - Camera Horizontal Alignment - Alignment or adjustment incorrect
  • Mirror internal camera alignment or adjustment incorrect
  • Mirror module fault
  • Windscreen alignment incorrect
  • DTC for information only. Clear/ignore DTC
U0010-88 Medium Speed CAN Communication Bus - Bus off
  • Bus off
  • Refer to the electrical circuit diagrams and check the power and ground connections to the module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network
U0140-00 Lost Communication With Body Control Module - No sub type information
  • No sub type information
  • Refer to the electrical circuit diagrams and check the power and ground connections to the module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network between the Central Junction Box and Rain/Light Sensor
U0300-00 Internal Control Module Software Incompatibility - No sub type information
  • No sub type information
  • Using the manufacturer approved diagnostic system, ensure that the module contains the latest software version and is correctly configured, update if necessary. Clear the DTC and retest
U201A-57 Control Module Main Calibration Data - Invalid/incomplete software component
  • Invalid/incomplete software component
  • Main calibration is invalid to car configuration file or not complete stored to the mirror
  • Using the manufacturers approved diagnostic system, check the configuration of the car configuration file and software version of the module is correct
U2100-00 Initial Configuration Not Complete - No sub type information
  • No sub type information
  • Wait 30 seconds, clear DTC and retest
U2101-00 Control Module Configuration Incompatible - No sub type information
  • No sub type information
  • Using the manufacturers approved diagnostic system, check the configuration of the car configuration file
RENDER: 1.0x

NO RELATED

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