1994 PCED OBDI-A
SECTION 2A: Diagnostic Routines
EEC-IV Diagnostic Trouble Code (DTC) Charts
 
Diagnostic Trouble Code (DTC)ApplicationKey On Engine OffEngine RunningContinuous Memory
No DTCsAllQA1QA1QA1
11AllPassPassPass
14All——DJ1
15AllReplace PCMReplace PCMQB1
19AllReplace PCMReplace PCM—
22AllDF1DF7DF90
23AllDQ1DQ1—
26AllTE1TE1—
29All——DS1
33All——DQ97
47AllTB1——
49All——TG90
53AllDQ2—DQ90
56AllTE10—TG90
59All——TG90
62All——TG90
63AllDQ10—DQ94
65All—TB2—
66AllTE20—TG90
67AllKM40—TG90
68All——TE100
69All——TG90
74All—FD1—
86AllTC1——
89AllTC1——
91AllTC1——
92AllTC1——
93AllTC1——
94AllTC1KC1—
97AllTB3——
98AllTC10Refer to these EEC-IV DTC Charts for direction to diagnose the Continuous DTC received during Key On Engine Off Self-Test.Refer to these EEC-IV DTC Charts for direction to diagnose the Continuous DTC received during Key On Engine Off Self-Test.
99AllTC10—TG90
Codes Not ListedAllQA1QA1QA1
111AllPassPassPass
112AllDA20—DA90
113AllDA10—DA90
114AllDA1DA1—
116AllDA1DA1—
117AllDA20—DA90
118AllDA10—DA90
121AllDH2DH1G1
122AllDH10—DH94
123AllDH3—DH90
124All——G1
125All——G1
126E/F Series with MAP SensorDF1DF7DF90
126All OthersDF1DF1DF90
128All——DF11
129All Cars, Ranger, Aerostar, Explorer, 5.0L SFI E-Series—DC13—
129All Other Trucks—DF10—
1363.0L Taurus (Flex Fuel)—HB1—
136All Others—H1—
1373.0L Taurus (Flex Fuel)—HB1—
137All Others—H1—
139All——H1
141All—HB1—
144All——H1
157All——DC10
158AllDC21—DC21
159AllDC1DC1—
167All—DH20—
1713.0L Taurus (Flex Fuel)——HB1
171All Others——H1
1723.0L Taurus (Flex Fuel)—HB1HB1
172All Others—H1H1
1733.0L Taurus (Flex Fuel)—HB1HB1
173All Others—H1H1
174All——H1
1753.0L Taurus (Flex Fuel)——HB1
175All Others——H1
1763.0L Taurus (Flex Fuel)——HB1
176All Others——H1
1773.0L Taurus (Flex Fuel)——HB1
177All Others——H1
178All——H1
179All——HA1
181All——HA1
184All——G7
185All——G7
186All——G9
187All——G9
188All——HA1
189All——HA1
193AllDE1——
194All——H5
195All——H5
211Distributor Ignition (DI)——NA1
211Electronic Ignition (EI)-2.3L Ranger and Taurus SHO——NB1
211Electronic Ignition (EI)-All Others——NC1
212Distributor Ignition (DI)——NA2
212Electronic Ignition (EI)-2.3L Ranger and Taurus SHO——NB2
212Electronic Ignition (EI)-All Others——NC3
213Distributor Ignition (DI)—PA1—
213Electronic Ignition (EI)-2.3L Ranger and Taurus SHO—PB1—
213Electronic Ignition (EI)-All Others—PC1—
214All——DR1
215All——Section 8A
216All——Section 8A
217All——Section 8A
218All——Section 8A
219All——PB10
222All——Section 8A
223All——Section 8A
224All——Section 8A
225All—DG1—
226AllNC2——
232All——Section 8A
238All——Section 8A
244All—DR1—
311All—KC1—
312All—KC1—
313All—KC1—
314All—KC1—
326Probe——DB10
326DPFE (Thunderbird/Cougar (Calif) 3.8L Taurus/Sable (Calif), Thunderbird SC, 3.2L Taurus SHO, Town Car, Mark VIII, Crown Victoria/Grand Marquis (Calif) Ranger/Explorer, 3.0L Taurus (Flex Fuel))—DL22—
326PFE (All Others)—DL20DL90
327Probe M/T (49 State)——DB1
327Probe CD4E, M/T (Calif)DD1DD1DD90
327EVP (Mustang, E/F Series)DN1DN1DN90
327DPFE (Thunderbird/Cougar (Calif), 3.8L Taurus/Sable (Calif), Thunderbird SC, 3.2L Taurus SHO, Town Car, Mark VIII Crown Victoria/Grand Marquis (Calif) Ranger/Explorer, 3.0L Taurus (Flex Fuel))DL1DL22DL90
327PFE (All Others)DL1DL21DL90
328AllDN25DN25DN90
332Probe M/T (49 State)——DB20
332Probe CD4E, M/T (Calif)—DD30DD100
332EVP (Mustang, E/F Series)—DN40DN110
332DPFE/PFE (All Others)—DL30DL90
334AllDN20DN20DN115
335AllDL8——
336DPFE (Thunderbird/Cougar (Calif), 3.8L Taurus/Sable (Calif), Thunderbird SC, 3.2L Taurus SHO, Town Car, Mark VIII, Crown Victoria/Grand Marquis (Calif) Ranger/Explorer, 3.0L Taurus (Flex Fuel))—DL50DL90
336PFE (All Others)—DL25DL90
337Probe M/T (49 State)——DB5
337Probe CD4E, M/T (Calif)DD10DD10DD90
337EVP (Mustang, E/F Series)DN5DN5DN90
337DPFE (Thunderbird/Cougar (Calif), 3.8L Taurus/Sable (Calif), Thunderbird SC, 3.2L Taurus SHO, Town Car, Mark VIII Crown Victoria/Grand Marquis (Calif) Ranger/Explorer, 3.0L Taurus (Flex Fuel))DL5DL50DL90
337PFE (All Others)DL5DL25DL90
338All——DA100
339All——DA101
341AllKP1——
381All——X130
411All—KE15—
412All—KE1—
415All——KE30
416All——KE35
452Aerostar, E-Series/F-Series Trucks, Bronco——DS1
452All Others——DP1
511AllReplace PCMReplace PCMReplace PCM
512All——QB1
513AllReplace PCMReplace PCMReplace PCM
519ProbeFF10——
519All OthersFF1——
521Probe—FF20—
521All Others—FF5—
522MLP Sensors (Mustang, Thunderbird/Cougar, Continental, Taurus/Sable except 3.0L SHO, Crown Victoria/Grand Marquis, Town Car, Mark VIII, 2.0L Probe with CD4E, 5.0L E/F Series, 5.0L Bronco)TD1——
522All OthersTA1——
5243.0L Taurus SHOX90—X110
5243.0L Taurus (Flex Fuel)X88—X110
524Mark VIIIXB135—XB150
525AllTA1—TA1
528All——TA1
529All——ML25
532All——ML25
533All——ML25
536All—FD1FD90
538All—M1—
539ProbeKM70——
539All OthersKM40KM40—
542CCRM (Tempo/Topaz, Mustang, Taurus/Sable, Thunderbird/Cougar, Continental)X80—X105
542VCRM (Mark VIII)XB120—XB155
542All OthersJ10—J90
543CCRM (Tempo/Topaz, Mustang, Taurus/Sable, Thunderbird/Cougar, Continental)X90—X110
543VCRM (Mark VIII)XB135—XB150
543All OthersJ20—J93
551AllKT1——
552AllKC9——
553AllKC9——
554AllKN1——
556CCRM (Tempo/Topaz, Mustang, Taurus/Sable, Thunderbird/Cougar, Continental)X70—X115
556VCRM (Mark VIII)XB110—XB150
556All OthersJ1—J95
5573.0L Taurus (Flex Fuel)X165—X115
557All OthersX70—X115
558EVP (Mustang, E/F Series)DN10——
558ProbeKA1——
558DPFE/PFE (All Others)DL11——
559AllKM60——
562AllX10——
563Escort/Tracer, ProbeKF1——
563All OthersX15——
564Escort/Tracer, ProbeKF1——
564All OthersX20——
5653.0L Taurus (Flex Fuel)KB1——
565All OthersKD6——
566AllTC1——
569AllKD6——
571AllDD20——
572AllDD20——
578All——XB40
579All——XB50
581All——XB20
582AllXB30——
583All——XB135
584All——XB15
585All——XB70
586All——XB80
587AllXB170—XB170
617All——TG90
618All——TG90
619All——TG90
621Escort/TracerTC20—TC30
621All OthersTC1——
622Escort/TracerTC20—TC30
622All OthersTC1——
623AllTB3——
624AllTC10—TG90
625AllTC10—TG90
626AllTC1——
627AllTC1——
628All——TG90
629AllTC1—TG90
631AllTB3——
632All—TB2—
633AllTB1——
634Escort/Tracer——TD10
634E-Series/F-Series Trucks, BroncoTD1—TD1
634All OthersTD1—TG90
636AllTE1TE1—
637Escort/TracerTE10—TE90
637All OthersTE10—TG90
638Escort/TracerTE20—TE90
638All OthersTE20—TG90
639Escort/Tracer—TF10TF95
639All Others—TF1TF90
641Escort/TracerTC20—TC30
641All OthersTC1——
643AllTC20—TC30
645All——TG90
646All——TG90
647All——TG90
648All——TG90
649All——TG90
651All——TG90
652AllTC1——
653All—TB2—
654AllTD1——
656All——TG90
657All——TE100
659All——TG90
667All——TG90
668All——TG90
675All——TG90
676AllGo to Transmission Group of the Service Manual; Diagnosis by Symptom ChartGo to Transmission Group of the Service Manual; Diagnosis by Symptom ChartGo to Transmission Group of the Service Manual; Diagnosis by Symptom Chart
677AllGo to Transmission Group of the Service Manual; Diagnosis by Symptom ChartGo to Transmission Group of the Service Manual; Diagnosis by Symptom ChartGo to Transmission Group of the Service Manual; Diagnosis by Symptom Chart
691All——TB1
998AllTC10Refer to these EEC-IV DTC Charts for direction to diagnose the Continuous DTC received during Key On Engine Off Self-Test.Refer to these EEC-IV DTC Charts for direction to diagnose the Continuous DTC received during Key On Engine Off Self-Test.
DTCs Not ListedAllQA1QA1QA1