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Thread: Codes/Help

  1. #1
    Join Date
    Dec 2005
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    Codes/Help

    Anyone out there know what these codes are/check engine light came on and I read these with my trusty Flashpaq, lol...
    U1408
    U0002 Speed CAN COMM PERF (what ever that means)
    B1107
    U0019 low Speed Can Bus (?)
    Thanks for any help , post and pm me with answers.
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  2. #2
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    Bump...

  3. #3
    Join Date
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    U1408-IMPLAUSIBLE BRAKE SIGNAL RECEIVED
    Theory of Operation

    The messages sent on the CAN bus are distinguished by an identifier (ID). Each CAN ID is defined to contain a certain number of bytes. The Transmission Control Module (TCM) verifies that it has received the proper number of bytes for each ID.

    • When Monitored:

    • Continuously with the ignition on, one valid CAN ID received at least once, and no U0002-CAN Bus Off Performance DTC present.
    • Set Condition: When the TCM detects an incorrect CAN ID from the ABS control module.
    Possible Causes
    FCM CAN BUS DTC'S PRESENT
    ABS DTC'S PRESENT
    TRANSMISSION CONTROL MODULE




    U0002-CAN C BUS OFF PERFORMANCE
    • When Monitored: With the ignition on.
    • Set Condition: The FCM detects a short in either CAN C Bus circuit.
    Possible Causes
    (D65) CAN C BUS (+) CIRCUIT SHORTED TO GROUND
    (D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND
    (D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE
    (D64) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE
    (D65) CAN C BUS (+) CIRCUIT SHORTED TO (D64) CAN C BUS (-) CIRCUIT
    ANTILOCK BRAKE MODULE
    POWERTRAIN CONTROL MODULE
    SHIFTER LEVER ASSEMBLY (NAG1 ONLY)
    TRANSMISSION CONTROL MODULE (NAG1 ONLY)
    STEERING CONTROL MODULE
    FRONT CONTROL MODULE




    B1668-REVERSE LAMP CONTROL CIRCUIT HIGH

    • When Monitored:
    • Continuously
    • Set Condition:

    • When the Front Control Module detects a short to battery on the Control circuit.
    Possible Causes
    (L1) BACKUP LAMPS CONTROL CIRCUIT
    REVERSE LAMP
    POWER DISTRIBUTION CENTER
    FRONT CONTROL MODULE





    U1107-ECU IN SINGLE-WIRE MODE
    • When Monitored: With the ignition on.
    • Set Condition: The FCM detects an open, a short high, a short low or a short together in either of the CAN B Bus circuits.
    Possible Causes
    (D55) CAN B BUS (+) CIRCUIT SHORTED TO GROUND
    (D54) CAN B BUS (-) CIRCUIT SHORTED TO GROUND
    (D55) CAN B BUS (+) CIRCUIT SHORTED TO VOLTAGE
    (D54) CAN B BUS (-) CIRCUIT SHORTED TO VOLTAGE
    (D55) CAN B BUS (+) CIRCUIT SHORTED TO (D54) CAN B BUS (-) CIRCUIT
    (D55) CAN B BUS (+) CIRCUIT OPEN
    (D54) CAN B BUS (-) CIRCUIT OPEN
    ANY CAN B BUS MODULE



    U0019-CAN B BUS
    • When Monitored: With the ignition on.
    • Set Condition: The FCM detects an open, a short high, a short low or a short together in either of the CAN B Bus circuits.
    Possible Causes
    (D55) CAN B BUS (+) CIRCUIT OPEN
    (D54) CAN B BUS (-) CIRCUIT OPEN
    (D55) CAN B BUS (+) CIRCUIT SHORTED TO VOLTAGE
    (D54) CAN B BUS (-) CIRCUIT SHORTED TO VOLTAGE
    (D55) CAN B BUS (+) CIRCUIT SHORTED TO GROUND
    (D54) CAN B BUS (-) CIRCUIT SHORTED TO GROUND
    (D55) CAN B BUS (+) CIRCUIT SHORTED TO (D54) CAN B BUS (-) CIRCUIT
    ANY CAN B BUS MODULE

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