Electronic Engine Control IV (EEC-IV)
Continuous Memory Codes |
11 |
System Pass. |
13 |
Idle Speed Control Motor did not move. |
14 |
Profile Ignition Pickup (PIP) circuit erratic. |
14 |
Engine speed Sensor circuit Fault (Diesel). |
15 |
Keep Alive Memory power was lost while battery voltage present
on other circuits. |
18 |
Loss of Ignition Diagnostic Module Input to PCM/SPOUT -
circuit grounded. |
18 |
Spark Angle Word (SAW) circuit failure (1.9L SFI). |
19 |
Cylinder Identification Sensor Input failure (3.0L SHO). |
22 |
Manifold Absolute Pressure (MAP) Sensor circuit failure or out
of range. |
23 |
Throttle Position Sensor out of range. |
27 |
Vehicle Speed Sensor (2.3L Turbo). |
28 |
Loss of Ignition Diagnostic Module - right hand side. |
29 |
Insufficient Input from Vehicle Speed Sensor (1992 and prior). |
29 |
Insufficient Input from Programmable Speedometer/Odometer
Module (1993 and above). |
31 |
EGR Valve Position/Pressure Feedback EGR circuit below minimum
voltage. |
32 |
EGR Valve did not close completely (1.9L CFI, 2.9L & 3.0L
SHO). |
32 |
EGR Valve Position/Pressure Feedback EGR voltage below closed
voltage (other vehicles). |
33 |
EGR not Closing Properly (2.3L OHC & 3.8L CFI). |
33 |
Throttle Position Sensor (Diesel). |
33 |
EGR Valve did not open recently (other vehicles). |
34 |
Defective EGR Pressure Transducer Sensor (1.9L CFI, 2.3L HSC
EFI & 3.0L). |
34 |
EGR Valve Position/Pressure Feedback EGR voltage above closed
Limit (other vehicles). |
35 |
EGR Valve Position/EGR Pressure Feedback. EGR circuit above
maximum voltage (other vehicles). |
38 |
DC Motor Idle Speed Control/Idle Tracking. |
39 |
AXOD Converter Bypass Clutch not Applying Properly. |
41 |
No Heated Oxygen Sensor Switching detected. |
42 |
No Oxygen Sensor Switching detected. |
43 |
Heated Oxygen Sensor Lean at Wide Open Throttle (1986-90 1.9L
MFI). |
43 |
Throttle Position Sensor below Idle Speed (Diesel). |
45 |
Coil 1 Primary circuit failure (1990-91 1.9L EFI/SFI). |
45 |
Distributorless Ignition System Coil Pack 3 circuit failure
(3.0L SHO, 3.8L SC). |
46 |
Coil 2 Primary circuit failure (1990-91 1.9L MFI/SFI). |
46 |
Distributorless Ignition System Coil Pack 1 circuit failure
(3.0L SHO, 3.8L SC). |
48 |
Loss of Ignition Diagnostic Monitor - left hand side (2.3L). |
48 |
Distributorless Ignition System Coil Pack 2 circuit failure
(3.0L SHO, 3.8L SC). |
49 |
Spark Output (SPOUT) Signal Default to 10 degrees BDTC (3.0L
SHO, 3.8L SC). |
49 |
1-2 Shift Error (other vehicles). |
51 |
Engine Coolant Temperature circuit open. |
53 |
Throttle Position Sensor circuit above maximum voltage. |
53 |
Fuel Injector Pump Lever Sensor Input is Greater than self
test (Diesel). |
54 |
Intake Air Temperature/Air Charge Temperature circuit open. |
56 |
Transmission Fluid Temperature circuit open. |
56 |
Mass Air Flow/Vane Air Flow Sensor circuit above maximum
voltage. |
57 |
Transaxle Neutral Position Switch circuit failed open. |
58 |
Vane Air Temperature Sensor Input Greater than self test
maximum (EFI). |
59 |
AXOD Neutral Position Switch circuit failed open (3.0L &
3.8L). |
59 |
2-3 Shift Error (other vehicles). |
59 |
Low Speed Fuel Pump circuit failure, Battery to PCM (3.0L
SHO). |
59 |
AXOD 4/3 Pressure Switch circuit failed open. |
61 |
Engine Coolant Temperature Sensor circuit grounded. |
62 |
Torque Converter Clutch Error. |
63 |
Throttle Position Sensor circuit below minimum voltage. |
63 |
Fuel Injection Pump Lever Sensor Input is less than self test
minimum (Diesel). |
64 |
Intake Air Temperature/Air Charge Temperature circuit
grounded. |
65 |
Fuel Control (2.3L Turbo). |
66 |
Mass Air Flow Sensor circuit below minimum voltage (Except
1.9L MFI & 2.3L Turbo). |
66 |
Vane Air Flow Sensor Input less than self test minimum (1.9L
MFI & 2.3L Turbo). |
66 |
Transmission Fluid Temperature circuit grounded (other
vehicles). |
67 |
Manual Lever Position Sensor out of Range - A/C on. |
67 |
Clutch Switch circuit failure. |
67 |
A/C Input High (2.5L TBI). |
68 |
Vane Air Temperature Sensor Input less than self test minimum
(1.9L MFI & 2.3L Turbo). |
68 |
Transmission Fluid Temperature (Diesel). |
69 |
3-4 Shift Error. |
69 |
AXOD Neutral Position Switch failed open (3.0L). |
69 |
AXOD 3/2 Pressure Switch failed closed (3.8L SFI). |
70 |
EEC IV Data Transaxle circuit failed (3.8L SFI). |
71 |
Idle Tracking Switch closed on Pre-Position (1.9L, 2.3L &
2.5L CFI). |
71 |
Software Re-Initialization detected (1.9L EFI). |
71 |
Cluster Center Control circuit failed (3.8L SFI). |
72 |
Power Interrupt Software Re-Initialization detected (1.9L
& 2.3L Turbo). |
72 |
Message Center Control Assembly circuit failed (3.8L SFI). |
74 |
Brake on/Off circuit did not change during self test. |
83 |
Low Speed Fuel Pump Relay circuit open (3.0L SHO). |
85 |
Adaptive Fuel Lean limit reached (1.9L EFI). |
86 |
Adaptive Fuel Rich limit reached (1.9L EFI). |
87 |
Primary Fuel Pump circuit failure. |
88 |
Loss of Dual Plug Input Control. |
91 |
No Heated Oxygen Sensor Switching detected. |
95 |
Integrated Relay Control Module (2.5L HSC & 3.8L EFI). |
95 |
Fuel Pump circuit open-PCM to Motor Ground (other vehicles). |
96 |
Integrated Relay Control Module (2.5L HSC & 3.8L EFI). |
96 |
High Speed Fuel Pump Relay circuit open (3.0L SHO). |
96 |
Fuel Pump circuit open - Battery to PCM (other vehicles). |
99 |
Electronic Pressure Control circuit failure. |
111 |
System Pass. |
112 |
Intake Air Temperature/Air Charge Temperature Sensor circuit
below minimum voltage. |
113 |
Intake Air Temperature/Air Charge Temperature Sensor circuit
above maximum voltage. |
117 |
Engine Coolant Temperature Sensor circuit below minimum
voltage. |
118 |
Engine Coolant Temperature Sensor circuit above maximum
voltage. |
121 |
Closed Throttle voltage Higher or Lower than Expected. |
121 |
Indicates Throttle Position voltage Inconsistent with Mass Air
Flow Sensor. |
122 |
Throttle Position Sensor circuit below minimum voltage. |
123 |
Throttle Position Sensor circuit above maximum voltage. |
124 |
Throttle Position Sensor voltage Higher than Expected. |
125 |
Throttle Position Sensor voltage Lower than Expected. |
126 |
Manifold Absolute Pressure/Barometric Pressure Sensor Higher
or Lower than Expected. |
126 |
Cylinder Identification circuit failure (3.0L SHO). |
128 |
Manifold Absolute Pressure Sensor Vacuum Hose
Damaged/Disconnected. |
139 |
No Heated Oxygen Sensor Switch detected. |
144 |
No Heated Oxygen Sensor Switch detected. |
157 |
Mass Air Flows Sensor circuit below minimum voltage. |
158 |
Mass Air Flow Sensor circuit above maximum voltage. |
171 |
Fuel System at Adaptive Limits. |
171 |
No Heated Oxygen Sensor Switching detected. |
172 |
Heated Oxygen Sensor System Indicates Lean. |
174 |
Heated Oxygen Sensor Switching Time is Slow. |
175 |
Fuel System at Adaptive Limits (Bank No. 2). |
176 |
System Indicates Lean (Bank No. 2). |
177 |
System Indicates Rich (Bank No. 2). |
178 |
Heated Oxygen Sensor Switch Time is Slow (Bank No. 1). |
179 |
Fuel System at Lean Adaptive Limit at Part Throttle, System
Rich (1.9L, 2.0L, 2.3L HSC, 2.5L & 3.0L). |
179 |
Fuel System Adaptive Lean Limit is Reached (4.6L, 4.9L, 5.0L,
5.8L, 7.0L & 7.5L). |
179 |
Fuel System at Rich Adaptive Limit (other vehicles). |
181 |
Fuel System at Rich Adaptive Limit at Part Throttle, System
Lean (1.9L, 2.0L, 2.3L HSC, 2.5L & 3.0L). |
181 |
Fuel System Adaptive Rich Limit is Reached (4.6L, 4.9L, 5.0L,
5.8L, 7.0L & 7.5L). |
181 |
Fuel System at Lean Adaptive Limit (other vehicles). |
182 |
Fuel System at Lean Adaptive Limit at Idle, System Rich (1.9L,
2.3L, 2.5L, 3.0L, 3.8L SC, 4.6L, 7.0L & 7.5L). |
182 |
Fuel System at Lean Adaptive Limit (other vehicles). |
183 |
Fuel System at Rich Adaptive Limit at Idle, System Lean (1.9L,
2.3L, 2.5L, 3.0L, 3.8L SC, 4.6L, 7.0L & 7.5L). |
183 |
Fuel System at Rich Adaptive Limit (other vehicles). |
184 |
Mass Air Flow Sensor circuit voltage Higher than Expected. |
185 |
Mass Air Flow Sensor circuit voltage Lower than Expected. |
186 |
Injector Pulse Width Higher than Expected (with BARO Sensor). |
186 |
Injector Pulse Width Higher or Mass Air Flow Lower than
Expected (without BARO Sensor). |
187 |
Injector Pulse Width Lower than Expected (with BARO Sensor). |
187 |
Injector Pulse Width Lower or MAF Higher than Expected
(without BARO Sensor). |
188 |
Fuel System at Lean Adaptive Limit. |
189 |
Fuel System at Rich Adaptive Limit. |
191 |
Fuel System at Lean Adaptive Limit (Front). |
211 |
Profile Ignition Pickup circuit failure. |
212 |
Loss of Ignition Diagnostic Module Input to PCM/SPOUT -
circuit grounded. |
214 |
Cylinder Identification circuit failure. |
215 |
PCM detected Coil 1 Primary circuit failure (EI). |
216 |
PCM detected Coil 2 Primary circuit failure (EI). |
217 |
PCM detected Coil 3 Primary circuit failure (EI). |
218 |
Loss of Ignition Diagnostic Module Signal - left hand side
(Dual Plug EI). |
219 |
Spark Timing Error. |
221 |
Spark Timing Error. |
222 |
Loss of Ignition Diagnostic Module Signal - right hand side
(Dual Plug EI). |
223 |
Loss of Dual Plug Ignition Control (Dual Plug EI). |
224 |
PCM detected Coil 1, 2, 3 or 4 Primary circuit failure (EI). |
224 |
Erratic Ignition Diagnostic Module Input to Processor. |
224 |
Loss of Tack Input to Processor/SPOUT - circuit grounded
(5.8L). |
232 |
PCM detected Coil 1, 2, 3 or 4 Primary circuit failure (EI). |
238 |
PCM Detect Coil 4 Primary circuit failure. |
326 |
EGR Temperature Sensor circuit above maximum voltage (2.0L,
2.3L HSC & 3.0L SHO). |
326 |
Pressure Feedback EGR circuit voltage Low (other vehicles). |
327 |
EGR circuit below minimum voltage. |
328 |
EGR Valve Position Sensor closed Valve voltage Lower than
Expected. |
332 |
Insufficient EGR Flow detected. |
334 |
EGR Valve Position Sensor closed Valve voltage Higher than
Expected. |
336 |
Pressure Feedback EGR circuit voltage Higher than Expected. |
337 |
EGR Valve Position/Pressure Feedback EGR circuit above maximum
voltage. |
338 |
Engine Coolant Temperature Lower than Expected. |
339 |
Engine Coolant Temperature Higher than Expected. |
381 |
Erratic A/C Compressor Clutch Cycling. |
415 |
Idle Air Control Solenoid. |
416 |
Idle Air Control Solenoid. |
452 |
Insufficient Input from Vehicle Speed Sensor to PCM. |
511 |
Read out Memory Test failure. |
512 |
Keep Alive Memory Test failure. |
513 |
PCM Internal voltage failure. |
524 |
Low Speed Fuel Pump circuit open. |
525 |
Vehicle in Gear with A/C on. |
528 |
Clutch Position Switch circuit failure. |
529 |
Data Communication Link or Electronic Engine Controller Fault. |
533 |
Data Communication Link to Electronic Instrument Cluster
Fault. |
536 |
Brake on/Off circuit failure/not Actuated. |
542 |
Fuel Pump circuit open-PCM to Motor Ground. |
543 |
Fuel Pump circuit open-Battery to Powertrain Control Module
(PCM). |
556 |
Fuel Pump Relay Primary circuit failure. |
557 |
Low Speed Fuel Pump Primary circuit failure. |
578 |
A/C Pressure Sensor circuit. |
579 |
Insufficient A/C Pressure change. |
581 |
Power to Fan circuit over Current. |
583 |
Power to Fuel Pump over Current. |
584 |
Power Ground circuit open. |
585 |
Power to A/C Clutch over Current. |
586 |
A/C Clutch circuit open. |
587 |
Vehicle Control Relay Module Communication failure. |
617 |
1-2 Shift Error. |
618 |
2-3 Shift Error. |
619 |
3-4 Shift Error. |
621 |
Shift Solenoid 1 circuit failure. |
622 |
Shift Solenoid 2 circuit failure. |
623 |
Transmission Control Indicator Lamp circuit failure. |
624 |
Electronic Pressure Control circuit failure. |
625 |
Hard Fault is Present (5.8L). |
625 |
Electronic Pressure Control Driver open in PCM (other
vehicles). |
628 |
Excessive Torque Converter Clutch slippage. |
629 |
Torque Converter Clutch Solenoid circuit failure. |
632 |
Torque Converter Solenoid circuit did not change states. |
634 |
Manual Lever Position Sensor voltage higher or lower than
expected. |
637 |
Transmission Fluid Temperature Sensor circuit above maximum
voltage. |
638 |
Transmission Fluid Temperature Sensor circuit below minimum
voltage. |
639 |
Insufficient Input from Turbine Speed Sensor. |
641 |
Shift Solenoid 3 circuit failure. |
643 |
Torque Converter Clutch circuit failure. |
645 |
Improper Gear Ratio in 1st Gear. |
646 |
Improper Gear Ratio in 2nd Gear. |
647 |
Improper Gear Ratio in 3rd Gear. |
648 |
Improper Gear Ratio in 4th Gear. |
649 |
Electronic Pressure Control higher or lower than expected. |
651 |
Electronic Pressure Control circuit failure. |
652 |
Torque Converter Clutch Solenoid circuit failure. |
656 |
Torque Converter Clutch Slippage Error. |
657 |
Transmission over temperature condition. |
667 |
Transmission Range Sensor circuit below minimum voltage. |
668 |
Transmission Range Sensor circuit above maximum voltage. |
The Diagnostic Codes and Explanations are
derived from Manufacturer supplied Technical Data. WesTech does not guarantee the
accuracy of this Information nor can it be held liable for providing it. |