Self-Test
Codes
# |
When
|
2-digit Code Definitions
|
||
KOEO |
KOER |
CM |
||
11 |
X |
X |
X |
System pass |
12 |
|
X |
|
Cannot control RPM during ER Self-Test high RPM check |
13 |
|
X |
|
Cannot control RPM during ER Self-Test low RPM check |
14 |
|
|
X |
Pip circuit failure |
15 |
X |
|
|
EEC read only memory ROM test failed |
|
|
X |
EEC keep alive memory KAM test failed |
|
16 |
X |
|
|
IDM signal not received |
|
X |
|
RPM too low to perform HEGO test |
|
17 |
|
X |
|
RPM below Self-Test limit with Idle Air Control off |
18 |
|
X |
|
SPOUT circuit open or spark angle word failure |
|
|
X |
IDM circuit failure or SPOUT circuit grounded |
|
19 |
X |
|
|
Failure in EEC internal voltage |
|
X |
|
RPM erratic, dropped too low during test |
|
|
|
X |
Cylinder Identification CID circuit failure |
|
21 |
X |
X |
|
ECT out of self test range |
22 |
X |
X |
|
MAP/BP sensor out of self test range |
23 |
X |
X |
|
TP sensor out of self test range |
24 |
X |
X |
|
ACT sensor out of self test range |
25 |
|
|
|
Knock not sensed during dynamic test |
26 |
X |
X |
|
VAF/MAF out of self test range |
X |
X |
|
TOT sensor out of self test range (E4OD) |
|
28 |
X |
X |
|
VAT sensor out of self test range |
|
|
X |
Loss of IDM, right side |
|
29 |
|
|
X |
Insufficient input from vehicle speed sensor |
31 |
X |
X |
X |
PFE or EVP circuit below minimum voltage |
32 |
X |
X |
X |
EVP voltage below closed limit |
33 |
|
X |
X |
EGR valve opening not detected |
34 |
X |
X |
X |
EVP voltage above closed limit |
35 |
|
|
X |
PFE or EVP circuit above closed limit |
39 |
|
|
X |
AXOD converter bypass clutch not applying properly |
41 |
|
X |
|
HEGO sensor circuit indicates system lean (right side) |
|
|
X |
No HEGO switching detected always lean (right side) |
|
42 |
|
X |
|
HEGO sensor circuit indicates system rich |
|
|
X |
No HEGO switching detected always rich (right side) |
|
43 |
|
|
X |
HEGO lean at WOT |
44 |
|
X |
|
Thermactor air system inoperative right side |
45 |
|
|
|
Thermactor air upstream during self test |
45 |
|
X |
|
Thermactor air upstream during self test |
|
|
X |
DIS coil pack 3 circuit failure or coil 1 primary circuit failure |
|
46 |
|
X |
|
Thermactor air not bypassed during self test |
|
|
X |
DIS coil pack 1 circuit failure or coil 2 primary circuit failure |
|
47 |
X |
|
|
4WD switch closed (E4OD) |
|
X |
|
Measured air flow too low at base idle |
|
48 |
|
X |
|
Measured air flow too high at base idle |
|
|
X |
Loss of IDM, left side |
|
49 |
|
|
X |
SPOUT signal default to 10° BTDC |
|
|
X |
1 - 2 shift error (E4OD) |
|
51 |
X |
|
X |
ECT reads 40°F or circuit open |
52 |
X |
X |
|
Power steering pressure switch always open or closed |
53 |
X |
|
X |
TP circuit above maximum voltage |
54 |
X |
|
X |
ACT sensor circuit open |
55 |
|
X |
|
Key power input to processor is open |
56 |
X |
|
X |
VAF or MAF circuit above maximum voltage |
X |
|
X |
TOT reads 40°F or circuit open (E4OD) |
|
57 |
X |
|
|
Octane adjust service pin in use / circuit grounded |
|
|
X |
AXOD Neutral pressure switch circuit failed open |
|
58 |
X |
|
X |
VAT indicated -40°F / circuit open |
59 |
X |
|
X |
2 - 3 shift error (E4OD) |
X |
|
X |
Low speed fuel pump circuit failure |
|
61 |
X |
|
X |
ECT reads 254°F or circuit grounded |
62 |
X |
|
|
4/3 or 3/2 pressure switch circuit failed open |
|
|
X |
Converter clutch error (E4OD) |
|
63 |
X |
|
X |
TPS circuit below minimum voltage |
64 |
|
X |
|
ACT sensor grounded or input reads 254°F |
65 |
|
X |
|
Overdrive cancel switch open, no change seen (E4OD) |
|
|
X |
Never went to closed loop fuel |
|
66 |
|
X |
X |
MAF sensor input below minimum voltage |
X |
|
X |
TOT grounded or reads 290°F (E4OD) |
|
67 |
X |
|
|
Neutral Pressure switch open |
|
|
X |
Clutch switch circuit failure |
|
X |
X |
|
Neutral/drive switch open or A/C on |
|
X |
|
X |
MLP sensor out of range or A/C on (E4OD) |
|
68 |
X |
|
X |
VAT circuit grounded |
X |
X |
X |
Transmission Oil Temperature Switch failed open |
|
69 |
X |
|
X |
3 4 shift error |
70 |
|
|
X |
EEC data transmission circuit failed |
71 |
|
|
X |
Software re-initialization detected or Cluster Control Assembly circuit failed |
72 |
|
X |
|
Insufficient MAF/MAP change during Dynamic Response Test |
|
|
X |
Power interruption detected or Message Center Control Assembly circuit failed |
|
73 |
X |
X |
|
Insufficient TP change during Dynamic Response Test |
74 |
|
X |
|
Brake On/Off switch failure or not actuated |
75 |
|
X |
|
Brake On/Off switch failure always ON |
76 |
|
X |
|
Insufficient VAT change during Dynamic Response Test |
77 |
|
X |
|
Brief WOT not sensed during self-test / Operator error |
79 |
X |
|
|
A/C or defrost on during self test |
81 |
X |
|
|
Air management 2 circuit failure |
82 |
X |
|
|
Air management 1 circuit failure |
83 |
X |
|
|
EGR Control solenoid circuit failure |
X |
|
|
High speed electro-drive fan circuit failure |
|
X |
|
X |
Low speed fuel pump relay circuit open |
|
84 |
X |
X |
|
EGR vacuum solenoid circuit failure |
85 |
X |
X |
|
Canister purge solenoid circuit failure |
86 |
|
|
X |
Adaptive fuel limit reached |
X |
|
|
3 – 4 Shift solenoid circuit failure |
|
87 |
X |
X |
X |
Fuel pump primary circuit failure |
88 |
X |
|
|
Electro-drive fan circuit failure |
|
|
X |
Loss of dual plug input control |
|
89 |
X |
|
|
Converter clutch solenoid circuit failure |
91 |
X |
|
|
Shift solenoid 1 circuit failure (E4OD) |
|
X |
|
HEGO sensor circuit indicates system lean (left side) |
|
|
|
X |
No HEGO switching detected (left side) |
|
92 |
X |
|
|
Shift solenoid 2 circuit failure (E4OD) |
|
X |
|
No HEGO switching detected always rich (left side) |
|
93 |
X |
|
|
Coast clutch solenoid circuit failure (E4OD) |
94 |
X |
|
|
Converter clutch solenoid circuit failure (E4OD) |
|
X |
|
Secondary Air Injection system inoperative (left side) |
|
95 |
X |
|
X |
Fuel pump secondary circuit failure EEC to ground |
96 |
X |
|
X |
Fuel pump secondary circuit failure battery to EEC |
97 |
X |
|
|
Overdrive cancel indicator light circuit failure (E4OD) |
98 |
X |
|
|
Electronic pressure control driver open in EEC (E4OD) |
|
X |
|
Hard fault present |
|
99 |
X |
|
X |
Electronic pressure control circuit failure (E4OD) |
|
X |
|
EEC system hasn’t learned to control idle |
|
|
è |
KOEO = Key On Engine Off |
||
|
è |
KOER =
Key On Engine Running |
||
|
è |
CM = Continues Memory |
# |
When
|
3-Digit Code Definitions
|
||
KOEO |
KOER |
CM |
||
111 |
X |
X |
X |
System pass |
112 |
X |
|
X |
ACT sensor circuit below minimum voltage, grounded, or reads 254°F |
113 |
X |
|
X |
ACT sensor circuit above maximum or reads 40°F |
114 |
X |
X |
|
ACT outside test limits during KOEO or KOER tests |
116 |
X |
X |
|
ECT outside test limits during KOEO or KOER tests |
117 |
X |
|
X |
ECT sensor circuit below minimum voltage, grounded, or reads 254°F |
118 |
X |
|
X |
ECT sensor circuit above maximum or reads 40°F |
121 |
X |
X |
X |
Closed throttle voltage higher or tower than expected |
122 |
X |
|
X |
TP sensor circuit below minimum voltage |
123 |
X |
|
X |
TP sensor circuit above maximum voltage |
124 |
|
|
X |
TP sensor voltage higher than expected |
125 |
|
|
X |
TP sensor voltage lower than expected |
126 |
|
X |
X |
BP or MAP sensor higher or lower than expected |
128 |
|
X |
|
MAP vacuum circuit failure |
129 |
|
X |
|
Insufficient MAF or MAP change during dynamic responded test |
136 |
|
X |
|
HEGO sensor circuit shows system always lean |
137 |
|
X |
|
HEGO sensor circuit shows system always rich |
139 |
|
|
X |
No HEGO sensor switching detected or disconnected |
144 |
|
|
X |
No HEGO sensor switching detected or disconnected |
157 |
|
|
X |
MAF sensor below minimum voltage or disconnected |
158 |
X |
|
X |
MAF sensor above maximum voltage |
159 |
X |
X |
|
MAF sensor higher or lower than expected during KOEO / ER |
167 |
|
X |
|
Insufficient TP change during dynamic response test |
171 |
|
|
X |
Fuel system at adaptive limit, HEGO unable to switch |
172 |
|
X |
X |
HEGO shows system always lean |
173 |
|
X |
X |
HEGO shows system always rich |
174 |
|
|
X |
HEGO switching time is slow |
175 |
|
|
X |
Fuel system at adaptive limit, HEGO unable to switch (front side) |
176 |
|
|
X |
HEGO shows system always lean (front side) |
177 |
|
|
X |
HEGO shows system always rich (front side) |
178 |
|
|
X |
HEGO switching time is slow |
179 |
|
|
X |
Fuel at lean adaptive limit at part throttle; system rich |
181 |
|
|
X |
Fuel at rich adaptive limit at part throttle; system lean |
182 |
|
|
X |
Fuel at lean adaptive limit at idle; system rich |
183 |
|
|
X |
Fuel at rich adaptive limit at idle; system lean |
184 |
|
|
X |
MAF higher than expected |
185 |
|
|
X |
MAF lower than expected |
186 |
|
|
X |
Injector pulse width longer than expected |
187 |
|
|
X |
Injector pulse width shorter than expected |
188 |
|
|
X |
Fuel at lean adaptive limit at part throttle; system rich |
189 |
|
|
X |
Fuel at rich adaptive limit at part throttle; system lean |
191 |
|
|
X |
Fuel at lean adaptive limit at idle; system rich |
192 |
|
|
X |
Fuel at rich adaptive limit at idle; system lean |
211 |
|
|
X |
PIP circuit fault |
212 |
|
|
X |
Loss of IDM input to EEC or SPOUT circuit grounded |
213 |
|
X |
|
SPOUT circuit open |
214 |
|
|
X |
CID circuit failure |
215 |
|
|
X |
EEC detected coil 1 primary circuit failure |
216 |
|
|
X |
EEC detected coil 2 primary circuit failure |
217 |
|
|
X |
EEC detected coil 3 primary circuit failure |
218 |
|
|
X |
Loss of IDM signal (left side) |
219 |
|
|
X |
SPOUT disconnected, to10 degrees BTDC |
222 |
|
|
X |
Loss of IDM signal (right side) |
223 |
|
|
X |
Loss of Dual Plug Inhibit control |
224 |
|
|
X |
Erratic IDM input to processor |
225 |
|
X |
|
Knocked not sensed during dynamic response test |
226 |
X |
|
|
IDM signal not received |
311 |
|
X |
|
Thermactor air system inoperative (right side) |
312 |
|
X |
|
Thermactor air upstream during self test |
313 |
|
X |
|
Thermactor air not bypassed during self test |
314 |
|
X |
|
Thermactor air system inoperative (left side) |
326 |
|
X |
X |
EVP or DPFE circuit voltage lower than expected |
327 |
X |
X |
X |
EVP or DPFE circuit below minimum voltage |
328 |
X |
X |
X |
EGR valve closed voltage lower than expected |
332 |
|
X |
X |
Insufficient EGR flow detected |
334 |
X |
X |
X |
EGR valve closed voltage higher than expected |
335 |
X |
|
|
EGR sensor voltage out of Self-Test range |
336 |
|
X |
X |
EVP or DPFE circuit voltage above maximum voltage |
337 |
X |
X |
X |
EVP or DPFE circuit above maximum voltage |
338 |
|
|
X |
ECT lower than expected |
339 |
|
|
X |
ECT higher than expected |
341 |
X |
|
|
Octane Adjust Service Pin in use or circuit open |
411 |
|
X |
|
Cannot control rpm during KOER low RPM check |
412 |
|
X |
|
Cannot control rpm during KOER high RPM check |
452 |
|
|
X |
Insufficient input from vehicle speed sensor |
511 |
X |
|
|
EEC processor Read Only Memory (ROM) test failure |
512 |
|
|
X |
EEC processor Keep Alive Memory (KAM) test failure |
513 |
|
|
X |
Failure in EEC processor internal voltage |
519 |
X |
|
|
Power steering pressure switch circuit open |
521 |
|
X |
|
Power steering pressure switch did not change state |
522 |
X |
|
|
Vehicle not in PARK or NEUTRAL during KOEO |
524 |
X |
|
X |
Low speed fuel pump circuit open |
525 |
X |
|
|
Vehicle in gear or A/C on during Self-Test |
526 |
X |
|
|
Neutral Pressure Switch closed or A/C on |
527 |
X |
|
|
Neutral Drive Switch open or A/C on |
528 |
|
|
X |
Clutch Switch Circuit failure |
529 |
|
|
X |
Data Communications Link or EEC processor failure |
533 |
|
|
X |
Data Communications Link or Electronic Instrument Cluster circuit failure |
536 |
|
X |
X |
Brake On/Off circuit failure / switch not actuated during KOER test |
538 |
|
X |
|
Insufficient RPM change during KOER dynamic response test / Operator error |
539 |
X |
|
|
A/C or Defroster ON during KOEO test |
542 |
X |
|
X |
Fuel pump secondary circuit failure: EEC to ground |
543 |
X |
|
X |
Fuel pump secondary circuit failure: Battery to EEC |
551 |
X |
|
|
Idle Air Control circuit failure |
552 |
X |
|
|
Air management 1 circuit failure |
553 |
X |
|
|
Air management 2 circuit failure |
554 |
X |
|
|
Fuel Pressure Regulator Control solenoid circuit failure |
556 |
X |
|
X |
Fuel pump primary circuit failure |
557 |
X |
|
X |
Fuel Pump Relay primary circuit failure |
558 |
X |
|
|
EGR Vacuum Regulator circuit failure |
559 |
X |
|
|
Air Conditioning On relay circuit failure |
563 |
X |
|
|
High Speed Electro-Drive Fan circuit failure |
564 |
X |
|
|
Electro-Drive Fan circuit failure |
565 |
X |
|
|
Canister purge circuit failure |
566 |
X |
|
|
3 – 4 Shift Solenoid failure |
569 |
X |
|
|
Canister purge 2 circuit failure |
617 |
|
|
X |
1 - 2 shift error (E4OD) |
618 |
|
|
X |
2 - 3 shift error (E4OD) |
619 |
|
|
X |
3 - 4 shift error (E4OD) |
621 |
X |
|
|
Shift solenoid #1 circuit failure |
622 |
X |
|
|
Shift solenoid #2 circuit failure |
624 |
X |
|
X |
Electronic Pressure Control solenoid or driver circuit failure |
625 |
X |
|
|
Electronic Pressure Control driver open in EEC |
626 |
X |
|
|
Coast clutch solenoid circuit failure (E4OD) |
627 |
X |
|
X |
Converter clutch solenoid circuit failure (E4OD) |
628 |
X |
|
X |
Converter clutch Lock-Up error (E4OD) |
629 |
X |
|
|
Converter clutch control circuit failure |
631 |
X |
|
|
Overdrive cancel indicator light circuit
failure
|
632 |
|
X |
|
Overdrive cancel switch not changing state (E4OD) |
633 |
X |
|
|
4WD switch is closed |
634 |
|
|
|
Manual Lever Position sensor voltage out of self test range or A/C on |
636 |
X |
X |
|
TOT sensor voltage out of self test range |
637 |
X |
|
X |
TOT sensor circuit above maximum voltage |
638 |
X |
|
X |
TOT sensor circuit below minimum voltage |
639 |
|
X |
X |
Insufficient input from the Transmission Speed Sensor |
641 |
X |
|
|
Shift solenoid #3 circuit failure |
643 |
X |
|
X |
Converter Clutch Control circuit failure |
645 |
|
|
X |
Incorrect gear ratio obtained for first gear |
646 |
|
|
X |
Incorrect gear ratio obtained for second gear |
647 |
|
|
X |
Incorrect gear ratio obtained for third gear |
648 |
|
|
X |
Incorrect gear ratio obtained for fourth gear |
649 |
|
|
X |
Electronic Pressure Control range failure |
651 |
|
|
X |
Electronic Pressure Control circuit failure |
652 |
X |
|
|
Modulated Converter Clutch Control solenoid output circuit error |
654 |
|
|
|
MLP sensor not in park position |
656 |
|
|
|
Converter Clutch Control continuous slip error detected |
998 |
|
|
|
Hard fault present |
|
è |
KOEO = Key On Engine Off |
||
|
è |
KOER =
Key On Engine Running |
||
|
è |
CM = Continues Memory |
ã
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