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Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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Model: SN40 850 SNIC70 9401960<br />

voLvo lmmobilizer<br />

General information<br />

o Refer to the front of this manual for general test conditions,<br />

terminology, detailed descriptions of wiring faults <strong>and</strong> a<br />

general trouble shooter for electrical <strong>and</strong> mechanical faults.<br />

Accessing <strong>and</strong> erasing<br />

The immobilizer control module fault memory can only be<br />

accessed <strong>and</strong> erased using diagnostic equipment<br />

connected to the data link connector (DLC).<br />

<strong>Trouble</strong> code identification<br />

Scanner<br />

type<br />

IMM-112<br />

IMM-113<br />

IMM-I21<br />

IMM-122<br />

I<br />

<strong>Fault</strong> location<br />

Immobilizer control module - internal fault<br />

Immobilizer control module - EEPROM error<br />

Immobilizer control module - programming error<br />

lmmobilizer control module - not programmed<br />

lgnition key - none programmed<br />

IMM-132<br />

IMM-211<br />

Engine control module (ECMyfuel shut-off solenoid control<br />

module - communication error<br />

Probable cause<br />

<strong>Trouble</strong> code IMM-121 stored, immobilizer control<br />

module<br />

Immobilizer control module<br />

Incorrectly programmed, new immobilizer control<br />

module not programmed, immobilizer control<br />

module<br />

New immobilizer control module not programmed,<br />

incorrectly programmed, immobilizer control<br />

module<br />

New immobilizer control module not programmed,<br />

incorrectly programmed<br />

IMM-212 1 Immobilizer read coil 1 Wiring, immobilizer read coil<br />

IMM-213<br />

IMM-214<br />

IMM-221<br />

IMM-222<br />

IMM-223<br />

IMM-225<br />

IMM-232<br />

Engine control module (ECM) - communication error<br />

Engine control module (ECM), communication - incorrect<br />

ECM model code<br />

Ignition key - no signal<br />

Ignition key - incorrect signal<br />

Ignition key - implausible signal<br />

control module - unable to program ignition<br />

Battery voltage low during engine start, electrical<br />

interference, wiring, ECM supplylearth wires, fuel<br />

shut-off solenoid control module supplylearth<br />

wires, immobilizer control module programming<br />

Electrical interference, ECM earth wiring,<br />

immobilizer control module earth wiring<br />

lncorrect ECM, immobilizer control module<br />

programmed for alternative ECM<br />

Ignition key damaged, wiring<br />

Wiring, immobilizer read coil, incorrectldamaged<br />

I ignition key<br />

lncorrectldamaged ignition key, immobilizer read<br />

coil, wiring, electrical interference<br />

IMM-233 I Immobilizer read coil I Wiring, immobilizer read coil<br />

IMM-234 ( lgnition key - no signal<br />

- --<br />

IMM-235<br />

IMM-311<br />

Ignition key - programming error<br />

Ignition key - not recognised<br />

-- -- - -- -- - - -<br />

lgnitlon key - incorrect signal<br />

Engine control module (ECM), communication - short to<br />

positive<br />

lncorrectldamaged ignition key, wiring, immobilizer<br />

read coil, incorrectly programmed<br />

Incorrect ignition key, transponder defective<br />

Incorrect key<br />

lncorrectldamaged ignition key, immobilizer read<br />

coil wiring, electrical interference<br />

Incorrect ignition key, electrical interference<br />

Wiring short to positive

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