Dodge Ram Truck 1500-2500-3500. Manual — part 282

ELECTRONIC CONTROL MODULES

TABLE OF CONTENTS

page

page

ELECTRONIC CONTROL MODULES -

ELECTRICAL DIAGNOSTICS. . . . . . . . . . . . . . . . . 1

ELECTRONIC CONTROL MODULES - SERVICE

INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . 100

ELECTRONIC CONTROL MODULES - ELECTRICAL

DIAGNOSTICS

TABLE OF CONTENTS

page

page

ELECTRONIC CONTROL MODULES -

ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING

BATTERY VOLTAGE OPEN (FCM)

. . . . . . . . . . 3

BATTERY 1 VOLTAGE OPEN (FCM)

. . . . . . . . 5

BATTERY 2 VOLTAGE OPEN (FCM)

. . . . . . . . 8

BUS SHORTED TO BATTERY (FCM)

. . . . . . . 11

BUS SHORTED TO GROUND (FCM)

. . . . . . . 12

EEPROM CHECKSUM FAILURE (FCM)

. . . . . 13

INTERNAL BOOTLOADER CHECKSUM

FAILURE (FCM) . . . . . . . . . . . . . . . . . . . . . . . 14

INTERNAL FLASH MEMORY CHECKSUM

FAILURE (FCM) . . . . . . . . . . . . . . . . . . . . . . . 15

MIC MESSAGES NOT RECEIVED (FCM)

. . . . 16

PCI BUS INTERNAL - LOOPBACK FAILURE

(FCM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

PCM MESSAGES NOT RECEIVED (FCM)

. . . 18

VIN NOT LEARNED CORRECTLY (FCM)

. . . . 20

*NO RESPONSE FROM ANTILOCK BRAKE

MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

*NO RESPONSE FROM AMPLIFIER

. . . . . . . 24

*NO RESPONSE FROM CLUSTER

. . . . . . . . 27

*NO RESPONSE FROM ENGINE CONTROL

MODULE (PCI BUS) - DIESEL . . . . . . . . . . . . 31

*NO RESPONSE FROM ENGINE CONTROL

MODULE (SCI ONLY) - DIESEL . . . . . . . . . . . 34

*NO RESPONSE FROM FRONT CONTROL

MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

*NO RESPONSE FROM FINAL DRIVE

CONTROL MODULE . . . . . . . . . . . . . . . . . . . 41

*NO RESPONSE FROM HANDS FREE

MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

*NO RESPONSE FROM HVAC

. . . . . . . . . . . 49

*NO RESPONSE FROM OCCUPANT

RESTRAINT CONTROL MODULE . . . . . . . . . 52

*NO RESPONSE FROM OVERHEAD

CONSOLE . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

*NO RESPONSE FROM PCM (PCI BUS) -

JTEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

*NO RESPONSE FROM PCM (SCI ONLY) -

JTEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

*NO RESPONSE FROM PCM (PCI BUS) -

NGC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

*NO RESPONSE FROM PCM (PCM SCI

ONLY) - NGC . . . . . . . . . . . . . . . . . . . . . . . . . 69

*NO RESPONSE FROM RADIO

. . . . . . . . . . . 73

*NO RESPONSE FROM SATELLITE

RECEIVER . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

*NO RESPONSE FROM SENTRY KEY

IMMOBILIZER MODULE (SKIM) . . . . . . . . . . . 80

*NO RESPONSE FROM TRANSFER CASE

CONTROL MODULE . . . . . . . . . . . . . . . . . . . 84

*NO RESPONSE FROM TRANSMISSION

CONTROL MODULE - NGC . . . . . . . . . . . . . . 87

*PCI BUS COMMUNICATION FAILURE

. . . . . 91

C2100–BATTERY VOLTAGE LOW (FDCM)

. . . 95

C2101–BATTERY VOLTAGE HIGH (FDCM)

. . 97

C2201-FDCM ECU INTERNAL (FDCM)

. . . . . 99

DR/DH

ELECTRONIC CONTROL MODULES

8E - 1

ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS

DIAGNOSIS AND TESTING

8E - 2

ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS

DR/DH

BATTERY VOLTAGE OPEN (FCM)

DR/DH

ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS

8E - 3