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All PFI & Ma PFI Models

PFI SERVICE CODE DEFINITIONS

Service Code Test Condition(s) Definition
11 KOEO/KOER/ CONTINUOUS System Pass
12 KOER RPM unable to achieve Self-Test upper limit
13 KOER RPM unable to achieve Self-Test lower limit
14 CONTINUOUS PIP ckt failure
15 KOEO ECA Read Only Memory (ROM) Test Failed
16 KOER Idle RPM High with ISC retracted (OFF)
17 KOER Idle RPM Low with ISC retracted (OFF)
18 KOER SPOUT ckt open
18 CONTINUOUS IDM/IOM ckt failure/SPOUT ckt grounded
19 KOE0 Failure in ECA internal voltage
19 KOER RPM dropped too low during ISC off test
19 CONTINUOUS CID ckt failure
21 KOER/KOEO ECT sensor out of Self-Test Range
22 KOEO/KOER/ CONTINUOUS BP sensor input is out of Self-Test Range
23 KOEO/KOER TP sensor input is out of Self-Test Range
24 KOER/KOEO ACT sensor input is out of Self-Test Range
25 KOER Knock sensor input is out of Self-Test Range
26 KOEO/KOER MAF or VAF sensor is out of Self-Test range
28 KOEO/KOER VAT sensor out of Self-Test range
29 CONTINUOUS Insufficient input from VSS
31 KOEO/KOER/ CONTINUOUS EVR, EVP or PFE ckt is below minimum range
32
2.3L OHC PFI KOER EGR not controlling
All Others KOEO/KOER/ CONTINUOUS EVP or PFE ckt voltage low
33
2.3L OHC PFI KOER EGR valve not returning to closed position
All Others KOER/CONTINUOUS EGR valve opening not detected
34
2.3L OHC PFI KOER EGR valve opening not detected
All Others KOEO PFE sensor voltage out of range
All Others KOER/CONTINUOUS PFE sensor voltage high
35
2.3L OHC PFI KOER RPM too low to perform EGR test
All Others KOEO/KOER/ CONTINUOUS EVP/PFE ckt above max. voltage
39 CONTINUOUS AXOD lock-up failed
41 KOER HEGO sensor ckt indicates lean
41 CONTINUOUS No HEGO switching detected - indicates lean
42 KOER/CONTINUOUS HEGO sensor ckt indicates rich
43 CONTINUOUS HEGO lean at wide open throttle
44 KOER Thermactor air system inoperative (right side)
45 CONTINUOUS Coil No. 1 primary ckt failure
46 CONTINUOUS Coil No. 2 primary ckt failure
47 KOER Measured airflow low at base idle
48 CONTINUOUS Coil No. 3 primary ckt failure
49 CONTINUOUS SPOUT signal defaulted to 10 degrees BTDC/SPOUT ckt open
51 KOEO/CONTINUOUS ECT indicated -40°F/ECT sensor ckt open
52 KOEO PSPS ckt is always open
52 KOER PSPS ckt always staying open or closed
53 KOEO/CONTINUOUS TP sensor input is greater than Self-Test maximum
54 KOEO/CONTINUOUS ACT sensor -40°F ckt open
56 KOEO/CONTINUOUS MAF or VAF ckt above max. voltage
57 CONTINUOUS AXOD Neutral Pressure Switch (NPS) ckt failed open
58 KOEO/CONTINUOUS VAT indicated -40°F sensor ckt open
59 KOEO AXOD 4/3 Pressure Switch ckt failed closed
59 CONTINUOUS AXOD 4/3 Pressure Switch ckt failed open
61 KOEO/CONTINUOUS ECT indicated 254°F ckt grounded
62 CONTINUOUS AXOD 4/3 or 3/2 Pressure Switch ckt grounded
63 KOEO/CONTINUOUS TP sensor input is less than Self-Test minimum
64 KOEO/CONTINUOUS ACT 254°F sensor input is less than Self-Test minimum/ckt grounded
65 CONTINUOUS Never went to closed loop fuel
66 KOEO/CONTINUOUS MAF or VAF ckt below minimum voltage
67 KOEO Neutral Drive Switch (NDS) ckt open; A/C on
67 CONTINUOUS Clutch switch ckt failure
68 KOEO/CONTINUOUS VAT indicated 245°F ckt grounded
69 KOEO AXOD 3/2 Pressure Switch ckt failed closed
69 CONTINUOUS AXOD 3/4 Pressure Switch ckt failed open
70 CONTINUOUS ECA Data Communications Link (DCL) ckt failure
71 CONTINUOUS Software re-initialization detected
72 KOER Insufficient MAF or MAP change during Dynamic Response Test
73 KOER Insufficient throttle position output change during Dynamic Response Test
74 KOER Brake ON/OFF (BOO) switch ckt failure (not activated during Self-Test)
75 KOER Brake ON/OFF (BOO) switch ckt closed/ECA input open
76 KOER Insufficient VAF during Dynamic Response Test
77 KOER Brief WOT not sensed during Self-Test/Operator error
79 KOEO A/C On/Defrost on during Self-Test
81 KOEO IAS ckt failure
82 KOEO Air Management 1 (AM1) Ckt failure
83 KOEO High Speed Electro Drive Fan (HEDF) ckt failure
84
2.3L OHC PFI KOEO EGRV solenoid ckt failure
All Others KOER/CONTINUOUS EGR Vacuum Regulator (EVR) ckt failure
85 KOEO Canister Purge (CANP) ckt failure
86 KOEO 3/4 shift solenoid ckt failure
87 KOEO/KOER/ CONTINUOUS Fuel pump primary ckt failure
88 KOEO Electro Drive Fan (EDF) ckt failure
89 KOEO Converter Clutch Override (CCO) ckt failure
91 KOER HEGO sensor indicates lean (front/left)
91 CONTINUOUS No HEGO switching detected (front/left)
92 KOER HEGO sensor indicates rich (front/left)
94 KOER Thermactor air system inoperative (left side)
95 KOEO/CONTINUOUS Fuel pump secondary ckt failure, open/ECA to motor
96 KOEO/CONTINUOUS Fuel pump secondary ckt failure, open/Battery to ECA
98 KOER Hard fault is present
NO CODES N/A Unable to initiate Self-Test or unable to output Self-Test codes
CODES NOT LISTED N/A Service codes displayed are not applicable to vehicle being tested