Fault Codes OBD,DTC - Mustang Ecoboost Forum
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post #1 of 2 Old 12-29-2014, 12:58 PM Thread Starter
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Fault Codes OBD,DTC

CODE MEANING ACTION

1 - 8 Cylinder No (as code) low power Cylinder balance test
9 Pass Cylinder balance test
10 Cylinder No. 1 low Cylinder balance test
11 Cylinder No. 2 low Cylinder balance test
12 Cylinder No. 3 low Cylinder balance test
12 Cylinder No. 4 low Cylinder balance test
111 All systems OK
112 Low voltage air change temperature sensor (ACT) Normal operating temp not reached
113 High voltage air change temperature sensor (ACT) Normal operating temp not reached
114 Out of range voltage air change temperature sensor (ACT) Normal operating temp not reached
116 Out of range Engine coolant temperature sensor (ECT) Normal operating temp not reached
117 Low voltage Engine coolant temperature sensor (ECT) Normal operating temp not reached
118 High voltage Engine coolant temperature sensor (ECT) Normal operating temp not reached
121 Outside range throttle position sensor (TPS)
122 Low voltage throttle position sensor (TPS)
123 High voltage throttle position sensor (TPS)
124 Above spec throttle position sensor (TPS)
125 Below spec throttle position sensor (TPS)
126 MAP voltage above spec
128 MAP sensor/vacuum hose fault
129 MAF sensor, no MAF change during throttle depression Repeat self test proceedure
136 Lambda sensor (left) mixture lean
137 Lambda sensor (left) mixture rich
139 Lambda sensor (left)
144 Lambda sensor (right)
157 Low voltage mass air flow sensor (MAF)
158 HIGH voltage mass air flow sensor (MAF)
159 Outside range mass air flow sensor (MAF)
167 Throttle position sensor (TPS). No change during throttle depression Repeat self test procedure
171 Lambda sensor (right)
172 Lambda sensor (right) too lean
173 Lambda sensor (right) too rich
174 Lambda sensor (right) slow response
175 Lambda sensor (left)
176 Lambda sensor (left) too lean
177 Lambda sensor (left) too rich
178 Lambda sensor (left) slow response
179 Fuel system lean, part throttle
181 Fuel system rich, part throttle
182 Idle mixture too lean Idle speed control vale (ISC)
183 Idle mixture too rich Idle speed control vale (ISC)
184 Above spec manifold air flow sensor
185 Below spec manifold air flow sensor
186 Too long injection time pulse width
187 Too short injection time pulse width
188 Lambda sensor on left, mixture too lean (part throttle)
189 Lambda sensor on left, mixture too rich (part throttle)
191 Idle mixture too lean, left hand Lambda sensor Check EGR valve, check ISC valve
192 Idle mixture too rich, lright hand Lambda sensor Check EGR valve, check ISC valve
193 Flexible fuel sensor circuit
194 Lambda sensor
195 Lambda sensor
211 PIP signal
212 Tach, circuit, SPOUT grounded. SPOUT circuit, open circuit
213 Tach, circuit, SPOUT grounded. SPOUT circuit, open circuit
214 CID circuit failure
215 #1 Coil
216 #2 Coil
217 #3 Coil
218 Tachometer circuit
219 Spark timing default to 10 deg rectify SPOUT circuit
220 Tachometer circuit
221 Spark timing error
225 Knock sensor
226 EEC IV/EDIS module pulse
227 Engine speed/crankshaft position sensor (CPS)
228 EDIS module/ignition coil winding 1
229 EDIS module/ignition coil winding 2
231 EDIS module/ignition coil winding 3
232 Primary circuit of ignition coil (IGC)
233 EDIS module
234 Ignition Coil (IGC)
235 Ignition Coil (IGC)
236 Ignition Coil (IGC)
237 Ignition Coil (IGC)
238 EDIS module/ignition coil
239 PIP signal present when cranking
241 EEC IV/EDIS module, incorrect self test data Repeat self test procedure
243 Coil failure
244 Cylinder identification fault when power balance requested
311- 316 Pulse air/thermactar air system faulty
326 Electronic pressure transducer (EPT)/differential pressure feedback exhaust (DPFE) sensor
327 Electronic pressure transducer (EPT)/differential pressure feedback exhaust (DPFE) sensor/electronic vacuum regulator (EVR)
328 Electronic vacuum regulator (EVR)
332 EGR valve not opening
334 Electronic vacuum regulator
335 Electronic pressure transducer (EPT)/differential pressure feedback exhaust (DPFE) sensor
336 Exhaust pressure too high
337 Electronic pressure transducer (EPT)/differential pressure feedback exhaust (DPFE) sensor/electronic vacuum regulator (EVR)
338 Cooling System
339 Cooling System
341 Octane adjust (service multiplug) grounded Disconnect for self test, reconnect after

Ford Fault Codes - repair-manuals-download-free!DTC,OBD,EWD

411 Engine speed during self test too low Cure induction leaks, repeat test
412 Engine speed during self test too low Cure induction leaks, repeat test
413 - 416 ISC valve Cure induction leaks, repeat test
452 Vehicle speed sensor
453 Servo leaking down
454 Servo leaking up
455 Insufficient RPM increase
456 Insufficient RPM decrease
457 - 458 Speed control fault
511 ROM fault Battery disconnected, check KAM fuse. if OK module faulty
512 Keep alive memory (KAM) fault Battery disconnected, check KAM fuse. if OK module faulty
513 EEC IV module reference voltage V
519 Power steering pressure switch (PSPS) not activated during self test Repeat test
521 Power steering pressure switch (PSPS) not activated during self test Repeat test
522 Neutral/drive switch (NDS)
525 Vehicle in gear or air conditioning on
528 Clutch switch error
536 Brake on/off (BOO) switch not activated during self test Repeat test
538 Operating error during self test. Air Conditioning switched on Repeat test
539 Operating error during self test. Air Conditioning switched on Repeat test
542 Fuel pump (FP) circuit failure
543 Fuel pump (FP) circuit failure
551 Idle speed control (ISC) circuit failure
552 Pulse air circuit failure
554 Fuel pressure regulator control circuit failure
556 Electrical circuit of fuel pump
557 Low speed fuel pump circuit
558 Electrical circuit of (EVR) electronic vacuum regulator
563 High speed electric drive fan relay/circuit (HEDF) failure
564 Electronic drive fan relay/circuit (EDF) failure
565 Canister purge solenoid (CANP)
566 3rd/4th gear solenoid (ATA)
573 Electronic drive fan relay/circuit (EDF) failure
574 High speed electronic drive fan relay/circuit (HEDF) failure
575 Fuel pump circuit and/or inertia switch circuit
576 Kick down switch (KDS) Repeat test
577 Kick down switch (KDS) not activated during self test Repeat test
583 Power to fuel pump fault
612 4/3 switch failed open circuit
613 4/3 switch failed open circuit
614 3/2 switch short circuit
615 3/2 switch failed short circuit
621 Shift solenoid 1 circuit failed
622 Shift solenoid 2 circuit failed
624 EPC solenoid failure
625 EPC solenoid circuit failure
628 MLUS Failure
629 Torque converter lock up clutch solenoid (LUS)
634 Neutral drive switch (NDS) circuit failure
635 Transmission temperature switch failure
637 Transmission temperature switch failure
639 TSS failure
645 1st gear failure
646 2nd gear failure
647 3rd gear failure
648 4th gear failure
649 ETV failure
651 ETV intermittent failure
652 MLUS circuit failure
653 Transmission control switch not activated during self test Repeat test
998 Fault in ECT/ACT/MAF/TPR circuit

Ford Fault Codes - repair-manuals-download-free!DTC,OBD,EWD

(R) = Engine Running test (M) = Memory code (O)=Key On Engine Off test

11 System OK

12

Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too low) - ISC

13
(O)
ISC did not respond properly (extends to touch throttle then retracts for KOEO) - ISC


(R)
Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too high)


(M)
ISC sticking, open ITS circuit or TP sticking

14

Ignition pickup (PIP) was erratic - Ignition Systems



E4OD Transmission diesel RPM sensor - Diesel RPM sensor

15
(O)
No Keep Alive Memory power to PCM pin 1 or bad PCM (Memory Test Failure)


(M)
KAM (pin 1) was interrupted (was battery disconnected ?)

16

1 9L & 2 5L - Throttle stop set too high - IDLE or Idle Set Procedures



2 3L - RPM's too low - IDLE


(O)
Electronic ignition - IDM circuit fault - Ignition Systems

17

1 9L & 2 5L - Throttle stop set too low - IDLE

18
(R)
Check base timing & advance function - Timing Tests


(M) Ignition TACH signal erratic - Ignition Systems



Spark Angle Word (SAW) circuit failure (1 9L SFI)

19
(O)
No Vehicle Power (pins 37 + 57) or bad PCM VPWR Diagnosis


(R)
Erratic idle during test (reset throttle & retest) - Idle Set Procedures



Electronic ignition Cylinder ID sensor/circuit problem - Ignition Systems

21

Engine Coolant Temperature (ECT) sensor out of range - ECT

22

MAP (vacuum) or BARO signal out of range - MAP

23

Throttle sensor out of range or throttle set too high - TPS

24

Intake Air Temperature (IAT) or Vane Air Temperature (VAT) sensor out of range - IAT VAT

25

Knock sensor not tested (ignore if not pinging) - KS

26

Mass Air Flow (MAF) or Vane Air Flow (VAF) out of range - MAF VAF



Transmission Oil Temperature (TOT) sensor out of range, Transmissions

27

Vehicle Speed Sensor problem - VSS

28

Vane Air Temperature (VAT) sensor out of range - VAT



2 3L w/Electronic Ignition - Cyl ID, IDM low or right coil pack failure - Ignition Systems

29

Vehicle Speed Sensor problem - VSS

31
(O,R,M)
EVP - EVP signal is/was out of range - EVP


(O,R,M)
EVR - EVP signal is/was low - EVR


(O,R,M)
PFE - PFE signal is/was low - PFE

32
(R)
EVP - EGR not responding properly during test - EVP


(O,R,M)
EVR - EVP signal is/was low - EVR


(R,M)
PFE - PFE shows low pressure, EGR not seating or memory, not seating intermittently - PFE

33
(O,M)
ALL - EGR did not open/ respond during test or if memory code, did not open intermittently - EVP EVR PFE

34
(R)
EVP - EGR did not respond properly during test - EVP


(O,R,M)
EVR - EVP sensor is/was high - EVR


(O,R,M)
PFE - PFE sensor is/was out of range - PFE

35
(R)
EVP - Engine RPM's too low to test EGR system - EVP


(O,R,M)
EVR - EVP sensor signal is/was high - EVR


(O,R,M)
PFE - PFE sensor signal is/was high - PFE

38

Idle Tracking Switch signal was intermittent - ISC

39

Transmission Torque Converter clutch not engaging - Transmissions

41
(R)
System lean - Fuel control


(M)
System was lean for 15 seconds or more (no HO2S switching) - Fuel control

42
(R)
System rich - Fuel control


(M)
System was rich for 15 seconds or more (no HO2S switching) - Fuel control

43
(R)
HO2S sensor not reading (run at 2000 rpm's for 2 minutes and retest - check for HO2S switching)


(M)
Was lean at WOT for 3 seconds or more - Fuel control

44

AIR system inoperative - Air Injection

45

AIR not Diverting (AIRD) - Air Injection



Electronic Ignition - coil primary circuit failure - Ignition Systems

46

AIR Bypass (AIRB) not working - Air Injection



Electronic Ignition - primary circuit failure coil 2 - Ignition Systems

47

Low flow unmetered air (check for small vacuum leaks, injector o'rings, gaskets etc )



E4OD transmission 4x4 switch/circuit problem - Transmissions

48

High flow unmetered air (check for large vacuum leak, inlet hoses etc )



Electronic Ignition - coil primary circuit failure - Ignition Systems

49

Electronic Ignition - spout signal circuit problem - Ignition Systems



Transmission 1/2 shift problem - Transmissions

51

Engine Coolant Temperature (ECT) sensor signal is/was too high - ECT

52

Power Steering Pressure Switch/circuit open - PSP


(R)
Did you turn wheel during test ?

53

Throttle Position sensor too high - TPS

54

Intake Air Temperature (IAT) or Vane Air Temperature (VAT) signal high - IAT VAT

55

No or low (under 7 5 V) Key Power to PCM pin 5

56

Vane Air Flow (VAF) or Mass Air Flow (MAF) sensor high - VAF MAF



Transmission Oil Temperature sensor too high - Transmissions

57

Intermittent in Park/Neutral/ Switch or Neutral Pressure switch circuit - PNP or Transmissions

58

Idle Tracking Switch (ITS) signal problem ISC



Vane Air Temperature (VAT) sensor out of range or open - VAT

59

AXOD 4/3 circuit fault - Transmissions



3 0L SHO - Low speed fuel pump circuit problem - Power / Fuel Pump Circuits



Transmission 2/3 shift problem - Transmissions

61

Engine Coolant Temperature (ECT) sensor is or was too low - ECT

62

AXOD (KOEO only) 3/2 circuit short to ground - Transmissions



AXOD (KOEO AND KOER) 4/3 circuit failure - Transmissions



E4OD excessive converter clutch slippage - Transmissions

63

Throttle Position Sensor (TPS) signal too low TPS

64

Intake Air Temperature (IAT) or Vane Air Temperature (VAT) signal low or grounded - IAT VAT

65

Check intermittent HO2S (signal or ground) - Fuel Control


(R)
E4OD truck - cycle OD cancel switch after engine ID is received - Transmissions



1984 3 8L ONLY - O, M Battery voltage high (check for electrical system overcharging)

66
Vane Air Flow (VAF) or Mass Air Flow (MAF) signal low - VAF MAF



Transmission Oil Temperature (TOT) signal low (possibly grounded) - Transmissions

67

Park/Neutral circuit fault - PNP



Transmission Manual Lever Position (MLP) sensor circuit - Transmissions


(M)
Intermittent Park Neutral Position (PNP) sensor fault - PNP

68

Idle Tracking Switch (ITS) circuit (possibly grounded) - ISC



Vane Air Temperature (VAT) sensor out of range or grounded - VAT



3 8L AXOD -Transmission Temperature Switch (TTS) open - Transmissions



Electronic Transmission - Transmission Oil Temperature (TOT) sensor was overheated -Transmissions

69

AXOD transmission (O) 3/2 switch closed (possible short circuit) - Transmissions



AXOD (M) 3/2 switch open (poss short to power) - Transmissions



E4OD 3/4 shift problem - Transmissions

70
(M)
3 8L AXOD - Data link to instrument cluster fault Service any other EEC codes, erase memory and retest If code is still present refer to instrument cluster diagnosis manual

71
(M)
1 9L TBI, 2 3L TBI, 2 5L TBI - ITS signal was grounded when throttle should have been opening ITS-ISC ISC motor problem or Idle Tracking Switch (ITS) signal wire shorted to ground - ISC


(M)
1 9L MFI - PCM re-initialized Possible electrical noise, case ground or intermittent VPWR problem - VPWR Diagnosis


(M)
3 8L AXOD - Data link to instrument cluster fault - See code 70

72
(R)
No MAP or MAF change in "goose" test - retest, check for frequency or voltage change - MAP MAF


(M)
1 9L MFI - VPWR circuit to PCM was intermittent - VPWR Diagnosis


(M)
2 3L T/C - PCM re-initialized Possible electrical noise, case ground or intermittent VPWR problem - VPWR Diagnosis


(M)
3 8L AXOD - Message center data link circuit fault - See code 70

73
(O)
Rerun test, if 73 is still output replace TPS


(R)
No Throttle Position Sensor (TPS) change in "goose" test Must get at least 25% throttle rotation - TPS

74

Was brake depressed after engine ID was received ?



Brake On Off (BOO) signal open or short to ground - BOO

75

Brake On Off (BOO) signal shorted to power - BOO

76

Vane Air Flow (VAF) did not respond to "goose" test - VAF

77

System did not receive "goose" test - see TESTS

78
(M)
VPWR circuit to PCM was intermittent or the PCM is bad VPWR Diagnosis

79

A/C is on or pin 10 is shorted to power

81

Boost control solenoid - Solenoids



AIRD solenoid - Solenoids and Air Injection



3 0L SHO - Inlet Air Solenoid - Solenoids

82

2 3L TC - Fan Control wire shorted to ground - A/C and Fan Circuits



AIRB solenoid - Solenoids and Air Injection



3 8L SC - Super Charger Bypass Solenoid - Solenoids

83

High Electro Drive Fan circuit fault - A/C and Fan Circuits



EGR Control solenoid - Solenoids



3 0L SHO - Low Speed Fuel Pump Relay circuit - Power / Fuel Pump Circuits

84

EGR Vacuum Regulator - Solenoids



EGR cutoff solenoid - Solenoids



EGR Vent solenoid - Solenoids

85

2 3L T/C Automatic - 3/4-4/3 Shift solenoid - Transmissions



CANP solenoid (ALL 1989) - Solenoids


(M)
1 9L MFI - System has corrected rich condition - Fuel control

86

2 3L or 2 9L Truck - A4LD 3/4 shift solenoid - Transmissions



(M) 1 9L MFI - System has corrected lean condition - Fuel control

87
(O)
Fuel pump circuit fault (check inertia switch) - Power / Fuel Pump Circuits



Vehicles with 2BBL carb - Temperature Compensated Accelerator Pump Solenoid - Solenoids (M) intermittent in fuel pump primary circuit - Power / Fuel Pump Circuits NOTE: On some Escorts with automatic seat belts this code is normal IN MEMORY due to the wiring

88

Throttle Kicker Solenoid - Solenoids



Variable Voltage Choke relay circuit fault - VVC



Fan Control circuit fault - A/C and Fan Circuits



A4LD - Converter Clutch Override solenoid - Transmissions



Electronic Ignition - IDM, DPI or spout circuit fault - Ignition Systems

89

A4LD - Converter Clutch Override solenoid - Transmissions



AXOD Torque Converter Control solenoid circuit - Transmissions



Exhaust Heat Control (heat riser) solenoid circuit - Solenoids

91 (R, M)
System running lean - Fuel control



Transmission SS 1 circuit/solenoid problem - Transmissions

92
(R)
System running rich - Fuel control



Transmission SS 2 circuit/solenoid problem - Transmissions

93
(O,R)
Throttle linkage binding or bad ISC motor ISC HO2S not reading Fuel control


Transmission TCC circuit/solenoid problem - Transmissions

94

AIR system inoperative - Air Injection



Transmission TCC circuit/solenoid problem - Transmissions

95
(O)
Fuel pump: open, bad ground or always on - Power / Fuel Pump Circuits


(R)
AIR not Diverting (AIRD) - Air Injection


(M)
Possible bad fuel pump ground or open between fuel pump and pin 8 at PCM (Fuel Pump Monitor signal) - Power / Fuel Pump Circuits

96
(O)
Fuel pump monitor circuit shows no power - Power / Fuel Pump Circuits


(R)
AIR Bypass (AIRB) not working - Air Injection


(M)
(Service 87 code first if present) Fuel pump relay or battery power feed was open - Power / Fuel Pump Circuits

97

E4OD OD cancel light circuit failure - Transmissions

98
(R)
Did not pass KOEO yet (Get 11 in KOEO first)



Transmission EPC circuit/solenoid failure - Transmissions

99
(R)
ISC needs to learn (Let idle for 2 minutes, Erase memory and retest)

Ford Fault Codes - repair-manuals-download-free!DTC,OBD,EWD

igor2009
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post #2 of 2 Old 12-29-2014, 04:23 PM
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And these are for S550? What are the differences between Eco and GT in terms of codes?



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