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Immobilizer System - No Start/DTC's 233/234/321

TIE - Technical Journal

Title
IMMO failure cable terminals, start prevented, DTC 233, 234, 321

Ref No US4523.1.1 en-GB

Partner 3 US 7510 Volvo Cars North America

Func Group 3660

Func Desc automatic monitoring and control

Status Released

Status Date 2010-07-26

Issue Date 2010-07-20

Reference





Attachment





Vehicle Type





CSC





DTC

Text

CSC= Customer symptom Code

Note!
If using a printed copy of this Retailer Technical Journal, first check for the latest online version.

DESCRIPTION:

When diagnosing an intermittent no start condition the immoblizer system should be checked for DTCs. Immoblizer DTCs IMM-233, -234 or -321 may be stored in the control module due to incorrect terminal contact. The most common failure is that a female terminal is too wide and gives poor contact or oxidation.

Check the male/female pin contact for connector 4/22 7/39 and to ECM (Engine control module) BEFORE any hardware is being replaced (such as Immobilizer control unit).

Note:
If any hardware is being replaced without correcting defect terminals, it might end up with an immo code mismatch between the ECM and Immo control unit.

PARTS REQUIRED:

Wire terminal P/N 30656669

Wire terminal P//N 30656670

Terminal removal tool P/N 9512637 (sold by SPX)

SERVICE:

First read out diagnostic trouble codes (DTCs) for the immobilizer system.

233 = Antenna ring

234 = Transponder communication

321 = Initiation signal from the ECM.











If any of the above DTC's are found in the vehicle then there may be loose connection between the wire terminals in the connector proceed with the repair method in TJ attachment.

VOLVO STANDARD TIME GUIDE OPERATION NUMBER:

36001-2 Diagnostic trouble codes (DTCs) read out and set to zero See VSTG

36194-3 Wire terminals immobilizer replace See VSTG

- Claims may be submitted under the new car warranty when there is a documented customer complaint using claim type: 01