Fault Code Table
Code # Circuit and Status
10 Separator Code
11 System Pass
12 Fast Idle RPM
Out of Range
13 Low Idle RPM
Out of Range
14 PIP Signal
Out of Range
15 ROM or KAM Test Fail
16 RPM Too Low for Fuel Test
19 ECM Power Supply Low
(MPFI)
20 ECM ID
3.9 MPFI Manual
21 ECT Sensor
Out of Range
22 MAP Sensor
Out of Range
23 TP Sensor
Out of Range
24 Air Temperature Sensor
Out of Range
30 ECM ID
3.9 MPFI Automatic
40 ECM ID
3.9 CFI Manual
41 Oxygen Sensor Signal Low
42 Oxygen Sensor Signal High
50 ECM ID
3.9 CFI Automatic
51 ECT Sensor Voltage too High
52 Power Steering Switch Open
53 TP Voltage too High
54 ACT Voltage too High
55 ECM Power Supply LOW
CFI
58 Idle Tracking Switch – Out of Range
CFI – KOER
60 ECM ID
3.2 CFI Manual
61 ECT Voltage too Low
63 TP Voltage too Low
64 ACT Voltage too Low
67 A/C is ON or Neutral / Park Switch in Gear
68 Idle Tracking Switch – Out of Range
CFI – KOEO
70 ECM ID
3.2 CFI Automatic
78 Interrupted Power Supply to Key Circuit
85 Canister Purge Signal
Out of Range
87 Fuel Pump Relay Signal
Out of Range
99 Idle Speed Compensation
Not in Memory
EA and EBI Fault Codes
