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1997 Powertrain Control System Electronics Diagnostic Guide
Courtesy of: Ford Motor Company Publication FCS-70230208

F-250/F-250 (49 state) F-Super Duty (ALL)

Fault CodeCircuit IndexCondition DescriptionCommentsProbable Causes
0107BAROBarometric press sensor circuit lowDefaults to 100kPaOpen/grounded circuit, biased sensor, PCM
0108BAROBarometric press sensor circuit highDefaults to 100kPaCircuit shorted to 5V, biased sensor, PCM
0112IATIntake air temp sensor circuit lowDefaults to 15°CGrounded circuit, biased sensor, PCM
0113IATIntake air temp sensor circuit highDefaults to 15°COpen circuit, biased sensor, PCM, short to 5V
0122APAccelerator pedal sensor circuit lowEngine will only idle if hard faultGrounded circuit, biased sensor, PCM
0123APAccelerator pedal sensor circuit highEngine will only idle if hard faultOpen circuit, biased sensor, PCM, short to 5V
0196EOTEngine oil temp sensor circuitEngine not warm enough to run KOER CCT - aborts testEngine not warm enough, leaking thermostat, ckt failure
0197EOTEngine oil temp sensor circuit lowNo cold adv., fast low idleGrounded circuit, biased sensor, PCM
0198EOTEngine oil temp sensor circuit highNo cold adv., fast low idleOpen circuit, biased sensor, PCM, short to 5V
0220IVSThrottle switch B circuit malfunctionSwitch test - KOERShort/open circuit, switch failure, operator, PCM
0221AP/IVSThrottle switch B circuit performanceAP/IVS disagree - Engine will only idle if hard faultFailed pedal assembly
0236MAPTurbo boost sensor A circuitUses Inferred MAP signalRestricted inlet/exhaust/supply hose or missing hose
0237MAPTurbo boost sensor A circuit low inputUses Inferred MAP signalOpen, short to ground or 5V, faulty sensor
0238MAPTurbo boost sensor A circuit highUses Inferred MAP signalNoise, faulty sensor
0261INJInjector circuit low - Cylinder 1FMEM mode, engine will run on 4 cyl.Harness short to ground
0262INJInjector circuit high - Cylinder 1FMEM mode, engine will run on 4 cyl.Miswired connector or harness
0263INJCylinder 1 contribution/balance faultCylinder not contributing during CCT testPower cylinder, valve train or injector problem, circuit
0264INJInjector circuit low - Cylinder 2FMEM mode, engine will run on 4 cyl.Harness short to ground
0265INJInjector circuit high - Cylinder 2FMEM mode, engine will run on 4 cyl.Miswired connector or harness
0266INJCylinder 2 contribution/balance faultCylinder not contributing during CCT testPower cylinder, valve train or injector problem, circuit
0267INJInjector circuit low - Cylinder 3FMEM mode, engine will run on 4 cyl.Harness short to ground
0268INJInjector circuit high - Cylinder 3FMEM mode, engine will run on 4 cyl.Miswired connector or harness
0269INJCylinder 3 contribution/balance faultCylinder not contributing during CCT testPower cylinder, valve train or injector problem, circuit
0270INJInjector circuit low - Cylinder 4FMEM mode, engine will run on 4 cyl.Harness short to ground
0271INJInjector circuit high - Cylinder 4FMEM mode, engine will run on 4 cyl.Miswired connector or harness
0272INJCylinder 4 contribution/balance faultCylinder not contributing during CCT testPower cylinder, valve train or injector problem, circuit
0273INJInjector circuit low - Cylinder 5FMEM mode, engine will run on 4 cyl.Harness short to ground
0274INJInjector circuit high - Cylinder 5FMEM mode, engine will run on 4 cyl.Miswired connector or harness
0275INJCylinder 5 contribution/balance faultCylinder not contributing during CCT testPower cylinder, valve train or injector problem, circuit
0276INJInjector circuit low - Cylinder 6FMEM mode, engine will run on 4 cyl.Harness short to ground
0277INJInjector circuit high - Cylinder 6FMEM mode, engine will run on 4 cyl.Miswired connector or harness
0278INJCylinder 6 contribution/balance faultCylinder not contributing during CCT testPower cylinder, valve train or injector problem, circuit
0279INJInjector circuit low - Cylinder 7FMEM mode, engine will run on 4 cyl.Harness short to ground
0280INJInjector circuit high - Cylinder 7FMEM mode, engine will run on 4 cyl.Miswired connector or harness
0281INJCylinder 7 contribution/balance faultCylinder not contributing during CCT testPower cylinder, valve train or injector problem, circuit
0282INJInjector circuit low - Cylinder 8FMEM mode, engine will run on 4 cyl.Harness short to ground
0283INJInjector circuit high - Cylinder 8FMEM mode, engine will run on 4 cyl.Miswired connector or harness
0284INJCylinder 8 contribution/balance faultCylinder not contributing during CCT testPower cylinder, valve train or injector problem, circuit
0340CMPCamshaft position sensor cktNo CMP sensor signal detected during crankOpen/grounded circuit, sensor fault, short to power
0341CMPCamshaft position sensor cktElectrical noise detectedHarness routing, charging circuit, sensor
0344CMPCamshaft position sensor cktIncorrect number of CMP transition countsHarness routing, charging ckt, sensor, int ckt, improper gap
0380GPCGlow plug circuit malfunctionGlow Plug Relay - KOEO on-demand testOpen/grounded ckt, solenoid open/shorted/ failed PCM
0381GPLGlow plug indicator circuitGlow Plug Lamp - KOEO on-demand testOpen/grounded circuit, lamp open, failed PCM
0470EBPExhaust press sensor circuitKey-on or crank modeBiased sensor, open signal return
0471EBPExhaust press sensor circuitContinuousPlugged, stuck, or leaking hose
0472EBPExhaust press sensor circuit low inputDisables back pressure deviceOpen/grounded circuit, biased sensor,
PCM
0473EBPExhaust press sensor circuit highDisables back pressure deviceCircuit shorted to 5V, biased sensor, PCM
0475EPRExhaust press control valveExhaust back press reg - KOEO on-demand testOpen/grounded ckt, solenoid open/shorted, failed PCM
0476EPRExhaust press control valveKOER on-demand testFailed/stuck EPR, EBP fault, EPR circuit
0478EPRExhaust press control valve high inputExcessive back pressure - ContinuousPlugged sensor line, stuck butterfly, restricted exhaust
0500VSSVehicle speed sensor malfunctionContinuousSensor, circuit, PCM, PSOM, low trans fluid
0560N/ASystem voltage malfunctionB+ too low for KOER on-demand or CCT test - aborts testCharging system, problem, load, glow plugs still enabled
0562VPWRSystem voltage lowMay be temporary condition at crank onlyLow sys voltage, charging sys, internal PCM failure
0563VPWRSystem voltage highMay be temporary condition - 24V jump startHigh sys voltage, charging sys, internal PCM failure
0565SCCSCruise "On" signal malfunctionKOER switch test (Code set if cruise not present)Open or short circuit, switch failure,
PCM failure or failed to activate switch during KOER switch test

Cruise control and BPA codes will be set on every switch test on vehicles not equipped with cruise control.
0566SCCSCruise "Off" signal malfunctionKOER switch test (Code set if cruise not present)
0567SCCSCruise "Return" signal malfunctionKOER switch test (Code set if cruise not present)
0568SCCSCruise "Set" signal malfunctionKOER switch test (Code set if cruise not present)
0569SCCSCruise "Coast" signal malfunctionKOER switch test (Code set if cruise not present)
0571BPABrake switch A circuit malfunctionKOER switch test (Code set if cruise not present)
0603PCMPowertrain Control Module KAM testNo historical faults output during self testOpen PCM pin, disconnected B+, faulty PCM
0605PCMPowertrain Control Module ROM testInternal PCM failureInternal PCM failure
0606PCMPCM processor faultPCM inactive background faultInternal PCM failure
0703BOOBrake switch B circuit malfunctionKOER switch testOpen/short circuit, switch, PCM, failed to activate switch during KOER switch test
0704CPPClutch switch input circuit malfunctionKOER switch test
0707TRSTrans range sensor circuit low inputContinuousShort to ground in circuit, biased sensor, PCM
0708TRSTrans range sensor circuit high inputContinuousOpen in circuit, biased sensor, PCM, short to power
0712TFTTrans fluid temp sensor ckt low inputKOEO, KOER, and ContinuousShort to ground, biased sensor, PCM
0713TFTTrans fluid temp sensor ckt high inputKOEO, KOER, and ContinuousOpen circuit, biased sensor, PCM, short to power
0741TCCToque converter clutch cktKOEO onlyCircuit failure, faulty solenoid, PCM
0750SS1Shift solenoid A malfunctionKOEO onlyCircuit failure, faulty solenoid, PCM
0755SS2Shift solenoid B malfunctionKOEO onlyCircuit failure, faulty solenoid, PCM
0782N/A2-3 shift errorContinuousCircuit failure, faulty solenoid, faulty clutch, PCM
0783N/A3-4 shift errorContinuousCircuit failure, faulty solenoid, faulty clutch, PCM
1111N/ASystem passNo PCM system faults detectedN/A
1211IPRICP pressure above/below desiredContinuous and KOER on-demand testIPR valve failed, stuck, or shorted to ground
1212ICPICP volt not at expected levelCrank mode and KOEO on-demand testBiased sensor or ckt, open signal return, low oil in reservoir
1218CICI stuck highCylinder identification line stuck highCI circuit open, probably intermittent
1219CICI stuck lowCylinder identification line stuck lowCI circuit short to ground, probably intermittent
1261-1268INJHigh to low side short cyl#1 -#8Cylinder with fault will not operateShort circuit, shorted injector, failed IDM
1271-1278INJHigh to low side open cyl#1- #8Cylinder with fault will not operateOpen circuit, open injector, failed IDM
1280ICPICP circuit out of range lowUses inferred ICP strategyOpen/grounded circuit, biased sensor, PCM
1281ICPICP circuit out of range highUses inferred ICP strategyCircuit shorted to 5V, biased sensor, PCM
1282IPRExcessive ICP pressureSystem faultFaulty IPR regulator (sticking), IPR shorted to ground
1283IPRIPR circuit failureKOEO on-demand testOpen/grounded circuit, stuck IPR, loose connection
1284N/AICP failure - aborts KOER testAborts KOER CCT testSensor circuit fault

See codes 1280, 1281, 1282, 1283, 1211
1291INJHigh side short to grd or B+, bank #1 (right)Inj power supply circuit short (operates on 4 cylinders)Shorted circuit, faulty IDM
1292INJHigh side short to grd or B+, bank #2 (left)Inj power supply circuit short (operates on 4 cylinders)Shorted circuit, faulty IDM
1293INJHigh side open bank #1 (right)Inj power supply circuit open (operates on 4 cylinders)Open circuit, faulty IDM
1294INJHigh side open bank #2 (left)Inj power supply circuit open (operates on 4 cylindersOpen circuit, faulty IDM
1295INJMultiple faults on bank #1 (right) with low side shortFix low side short and return diagnosticsMiswired connector or harness, short to ground
1296INJMultiple faults on bank #2 (left) with low side shortFix low side short and return diagnosticsMiswired connector or harness, short to ground
1297INJHigh sides shorted togetherFix shorts and return diagnosticsShorted wires, faulty IDM
1298IDMIDM failureInternal IDM failureInternal IDM failure
1464N/AA/C demand out of self test rangeAborts test - KOER on-demand, CCT, or switch testOperator error, A/C circuit shorted to power
1501N/AVSS out of self test rangeAborts test - KOER on-demand, CCT, or switch testOperator error
1502N/AInvalid test - APCM functioningAborts test - KOER on-demand, CCT, or switch testAPCM active while KOER test is running
1531N/AInvalid test - accelerator pedalAborts test - KOER on-demand or CCT testOperator error
1536PBAParking brake switch circuit failureKOER switch testFailed to activate switch during test, circuit, switch, PCM
1660OCCOCC signal highAborts KOEO on-demand testHigh system voltage, internal PCM fault
1661OCCOCC signal lowAborts KOEO on-demand testLow system voltage, internal PCM fault
1662IDM_EIDM-EN circuit failureKOEO on-demand testOpen IDM relay, blown fuse, open/grounded circuit
1663FDCSFDCS circuit failureFuel demand command signal - KOEO on-demand testOpen/grounded circuit, faulty IDM
1667CICI circuit failureCylinder identification circuit - KOEO on-demand testOpen/grounded circuit, faulty IDM
1668EFPCM-IDM diagnostic communicationElectronic feedback line - KOEO on-demand testOpen/shorted EF or FDCS, open IDM ground
1705TRSTR sensor out of self test rangeNot in PARK during KOEO or KOEROperator error, circuit failure, faulty sensor, PCM
1711TFTTFT sensor out of self test rangeTransmission fluid temp too high for KOEO or KOER testTransmission fluid too hot or cold, circuit failure, faulty sensor, PCM
1728TCCTransmission slip errorContinuousSolenoid failure or mechanical failure
17294x4L4x4 Low switch errorContinuousCircuit failure, faulty solenoid, PCM
1746EPCEPC solenoid open circuitKOEO onlyOpen circuit, faulty solenoid, PCM
1747EPCEPC solenoid short circuitKOEO onlyShort circuit, faulty solenoid, PCM shorted to ground
1748EPCEPC malfunctionContinuousCircuit failure, PCM
1754CCSCoast clutch solenoid circuitKOEO on-demand testCircuit failure, faulty solenoid, PCM
1779TCILTCIL circuit malfunctionKOEO on-demand testShort to ground, PCM
1780TCSTCS circuit out of self test rangeKOER switch testCircuit, switch, PCM, failed to activate switch KOER
17814X4L4X4L circuit out of self test rangeIn 4X4L during KOEOOperator error, short to ground, PCM
1783TFTTransmission overtemperatureContinuousInternal transmission failure, circuit failure, sensor, PCM

(FMEM) MIL illumination occurs after 1st fault
Transmission Control Indicator Light (TCIL) flashes when fault is present
(FMEM) MIL and TCIL illuminate when fault is present
 
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