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Model: Cherokee 2,514,O Grand Cherokee 4,0/5,2 Wrangler 2,5/4,0 lG41<br />

CHRYSLER<br />

Engine rnanagernentltransrnission I iFl-5, -- .I<br />

Flash type / Her type ( Fault location Probable cause<br />

45<br />

8E<br />

A4<br />

lA7 I Governor<br />

I A8<br />

Governor pressure not equal to target - low<br />

pressure malfunction<br />

Transmission fluid temperature (TFT)<br />

sensor - rangelperformance problem<br />

I Gear selection. 3-4 - shift malfunction<br />

Signal wire open circuitlshort circuit, valve body,<br />

sensor supply wire open circuit, transmission fluid<br />

level, governor pressure solenoid, transmission<br />

mechanical fault, ECM - no 5 volt supply<br />

Wiring, TFT sensor<br />

Wiring, TR sensor, shift solenoids, transmission<br />

mechanical fault<br />

pressure sensor - signal low Signal wire short circuit to earth, supply wire open<br />

circuit, transmission fluid level, governor<br />

pressure sensor, ECM<br />

Governor pressure sensor - signal high Signal wire short circuit to positive, supply wire<br />

open circuit, transmission fluid level, governor<br />

pressure sensor, ECM<br />

Governor pressure sensor - incorrect<br />

signal<br />

Signal wire short circuit to earthlpositive, supply<br />

wire open circuitlshort circuit, transmission fluid<br />

level, governor pressure solenoid, governor<br />

pressure sensor, ECM<br />

AB Transmission fluid pressure (TFP)<br />

solenoid - electrical<br />

Wiring, TFP solenoid, ECM<br />

AD Transmission system relay Wiring open circuitlshort circuit, transmission<br />

I BC<br />

Overdrive solenoid/switch - performance<br />

problem<br />

system relay, ECM<br />

Wiring, overdrive solenoidlswitch, transmission<br />

mechanical fault, ECM<br />

46<br />

06<br />

Alternator - voltage high<br />

Wiring, battery, alternator<br />

47<br />

05<br />

Alternator - voltage low<br />

Wiring, battery, alternator drive belt, alternator<br />

5 1<br />

77<br />

System too lean<br />

Wiring, intakelexhaust leak, MAP sensor, fuel<br />

pressurelpump, EVAP canister purge valve,<br />

injector(s), H02S<br />

52<br />

76<br />

System too rich<br />

Wiring, intake blocked, EVAP canister purge<br />

valve, fuel pressure, EGR system, injector(s),<br />

air filter blocked, ignition system, H02S<br />

53<br />

Engine control module (ECM) - internal<br />

fault<br />

ECM<br />

02<br />

Engine control module (ECM) - internal<br />

fault<br />

ECM<br />

44<br />

Engine control module (ECM) - internal<br />

fault<br />

ECM<br />

Camshaft position (CMP) sensor -<br />

no sianal<br />

Wiring, CMP sensor<br />

55<br />

63<br />

I<br />

1 31<br />

I End of MIL code output<br />

I Engine control module (ECM) - EEPROM<br />

error<br />

ECM<br />

72<br />

70<br />

Catalytic converter system, bank 1 -<br />

efficiency below threshold<br />

Catalytic converter, wiring, H02S 2<br />

77 52<br />

Cruise control<br />

Wiring, cruise control vacuum switching valve

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