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POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM, Diagnostic DTC:U014287, U015587, U020887

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DTC Code DTC Name
U014287 Lost Communication with Body Control Module "B" Missing Message
U015587 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message
U020887 Lost Communication with "Seat Control Module A" Missing Message
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DESCRIPTION

The multiplex tilt and telescopic ECU receives signals from the main body ECU (multiplex network body ECU), combination meter assembly and position control ECU assembly (driver seat) via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area
U014287 Lost Communication with Body Control Module "B" Missing Message

One of the following conditions is met:


  • Signals (memory-related data) from the main body ECU (multiplex network body ECU) are interrupted for 3.3 seconds.

  • Signals (IG switch signals) from the main body ECU (multiplex network body ECU) are interrupted for 10 seconds or more.

  • CAN communication system

  • Main body ECU (Multiplex network body ECU)
U015587 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message Signals from the combination meter assembly are interrupted for 10 seconds or more.

  • CAN communication system

  • Combination meter assembly
U020887 Lost Communication with "Seat Control Module A" Missing Message Signals (memory or recall request signal) received from the position control ECU assembly (driver seat) is interrupted for 10 seconds or more.

  • CAN communication system

  • Position control ECU assembly (Driver seat)
Table 1. DTC Detection Conditions: U014287
  Vehicle Condition
Pattern 1 Pattern 2
Malfunction Status Signals (memory-related data) from the main body ECU (multiplex network body ECU) are interrupted ○ -
Signals (IG switch signals) from the main body ECU (multiplex network body ECU) are interrupted - ○
Detection Time 3.3 seconds 10 seconds or more
Number of Trips 1 trip 1 trip
Tip:

DTC will be output when conditions for either of the patterns in the table above are met.

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PROCEDURE


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    GO TO CAN COMMUNICATION SYSTEM


    1. Go to CAN Communication System.

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      Result
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