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

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Engine management<br />

type<br />

4-digit<br />

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

Probable cause<br />

2141 1 Knock control - control limit exceeded<br />

Poor quality fuel, CKPIRPM sensor wiring,<br />

insecure engine component, KS shield wiring<br />

I<br />

2142 1 Knock sensor (KS) 1 Wiring, KS looseldefective, ECM<br />

2144 I Knock sensor (KS) 2 Wiring, KS looseldefective, ECM<br />

2212 I Throttle position (TP) sensor Wiring, poor connection, TP sensor<br />

-<br />

2214<br />

2222<br />

Maximum engine RPM exceeded<br />

Manifold absolute pressure (MAP) sensor<br />

Incorrect gear shift, AT fault<br />

Hose leaklblockage, hose fluid collector full,<br />

TC wastegate regulating valve, MAP sensor<br />

(in ECM)<br />

2223 I Barometric pressure (BARO) sensor<br />

Wiring, BARO sensor<br />

2231<br />

Maximum boost pressure exceeded<br />

Idle speed control (ISC)<br />

Hoses interchangedlnot connected, hoses<br />

blockedlleaking, TC wastegate actuatorlregulating<br />

valve, MAP sensor (in ECM)<br />

lntake leaklblockage, wiring, IAC valve, MAF<br />

sensor, throttle valve tightlsticking<br />

2234 Engine control module (ECM) - supply voltage Alternator, battery, current drawzh ignitionF~,<br />

wiring<br />

2312 ( Engine coolant temperature (ECT) sensor Wiring, poor connection, ECT sensor<br />

ECMtlCM electrical connection TCM trouble code(s) stored, wiring,<br />

2314 1 transmission fault<br />

2322<br />

2324<br />

Intake air temperature (IAT) sensor<br />

Mass air flow (MAF) sensor<br />

Wiring, poor connection, IAT sensor<br />

lntake leak, wiring, MAF sensor<br />

Heated oxygen sensor (H02S) - lambda control Fuel level low, fuel pressurelpump, misfire,<br />

2341 intakelexhaust leak, wiring, H02S<br />

I Heated oxygen sensor (H02S)<br />

lntakelexhaust leak, wiring, H02S, heating<br />

inoperative, fuel level low, misfire<br />

2413<br />

Mixture control (MC)<br />

Fuel pressurelpump, misfire, intakelexhaust leak,<br />

MAF sensor<br />

4343 I Evaporative emission (EVAP) canister purge valve Wiring, fuse, EVAP canister purge valve<br />

4411<br />

4412<br />

Injector 1<br />

Injector 2<br />

Wiring, fuse, injector<br />

Wiring, fuse, injector<br />

4413<br />

Injector 3<br />

Wiring, fuse, injector<br />

4414 I Injector 4<br />

Wiring, fuse, injector<br />

lnjector 5<br />

ldle air control (IAC) valve<br />

Turbocharger (TC) wastegate regulating valve<br />

Wiring, fuse, injector<br />

wiring, fuse, l ~Ealve<br />

Wiring, fuse, TC wastegate regulating valve<br />

No fault found

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