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3.0L PFI (Probe) Service Code Definitions

3.0L PFI (PROBE) SERVICE CODE DEFINITIONS

Service Code Test Condition(s) Definition
111 KOEO/KOER/ CONTINUOUS System Pass
112 KOEO/CONTINUOUS ACT sensor circuit grounded.
113 KOEO/CONTINUOUS ACT sensor circuit open.
114 KOEO/KOER ACT sensor circuit is out of self-test range.
116 KOER ECT sensor input is out of Self-Test range.
117 KOEO/CONTINUOUS ECT circuit grounded
118 KOEO/CONTINUOUS ECT circuit open
121 KOEO/KOER CONTINUOUS TP sensor input is out of Self-Test range.
122 KOEO/CONTINUOUS TP sensor input is less than Self-Test minimum voltage.
123 KOEO/CONTINUOUS TP sensor input is greater than Self-Test maximum voltage.
126 KOEO/KOER/ CONTINUOUS MAP sensor input is out of Self-Test range.
129 KOER Insufficient MAF input change during Dynamic Response Test.
144 CONTINUOUS No HEGO switching detected.
167 KOER Insufficient TP input change during Dynamic Response Test.
171 CONTINUOUS Lack of HEGO switching, system at adaptive limits (Rear Side).
172 KOER/CONTINUOUS HEGO sensor circuit indicates system always lean (Rear Side).
173 KOER/CONTINUOUS HEGO sensor circuit indicates system always rich (Rear Side).
175 CONTINUOUS Lack of HEGO switching,fuel system at adaptive limits (Rear Side).
176 CONTINUOUS HEGO sensor circuit indicates system always lean (Front Side).
177 CONTINUOUS HEGO sensor circuit indicates system always rich (Front Side).
179 CONTINUOUS Fuel system at part throttle lean adaptive limit, system rich (Rear Side).
181 CONTINUOUS Fuel system at part throttle rich adaptive limit, system lean (Rear Side).
182 CONTINUOUS Fuel system at idle lean adaptive limit, system rich (Rear Side).
183 CONTINUOUS Fuel system at idle lean rich adaptive limit, system lean (Rear Side).
188 CONTINUOUS Fuel system at part throttle lean adaptive limit, system rich (Front Side).
189 CONTINUOUS Fuel system at part throttle rich adaptive limit, system lean (Front Side).
191 CONTINUOUS Fuel system at idle lean adaptive limit, system rich (Front Side).
192 CONTINUOUS Fuel system at idle rich adaptive limit, system lean (Front Side).
211 CONTINUOUS Profile Ignition Pickup PIP) circuit failure.
212 CONTINUOUS Loss of tachometer/IDM input to EEC processor.
213 KOER EEC processor spark output (SPOUT) circuit open.
326 KOER/CONTINUOUS PFE sensor circuit voltage lower than expected.
327 KOEO/KOER/ CONTINUOUS PFE sensor circuit voltage below Self-Test minimum.
332 KOER/CONTINUOUS Insufficient EGR flow detected.
335 KOEO PFE sensor voltage out of Self-Test range.
336 KOER/CONTINUOUS PFE sensor circuit higher than expected.
337 KOEO/KOER/ CONTINUOUS PFE sensor voltage above Self-Test maximum.
411 KOER Cannot control RPM during KOER low RPM check.
412 KOER Cannot control RPM during KOER high RPM check.
452 CONTINUOUS Insufficient input from the Vehicle Speed Sensor (VSS).
511 KOEO ECC processor Read Only Memory (ROM) test failure.
512 CONTINUOUS EEC processor Keep Alive Memory (KAM) test failure.
513 KOEO Failure in EEC processor internal voltage.
519 KOEO Power Steering Pressure Switch (PSPS) circuit open.
521 KOER Power Steering Pressure Switch (PSPS) circuit did not change states.
525 KOEO Vehicle was either in gear or AC was on during Self-Test.
528 CONTINUOUS Clutch Engage switch circuit failure/not actuated during KOER.
538 KOER Insufficient RPM change during KOER Dynamic Response Test.
542 KOEO/CONTINUOUS Fuel pump circuit open, EEC processor to motor ground.
543 KOEO/CONTINUOUS Fuel pump circuit open, battery to EEC processor.
558 KOEO Electronic Vacuum Regulator (EVR) circuit failure.
563 KOEO High Speed Electro Drive Fan HEDF) circuit failure.
564 KOEO Electro Drive Fan (EDF) circuit failure.
565 KOEO Canister purge circuit failure.
998 KOER Hard fault present FMEM mode).
NO CODES Unable to initiate Self-Test or unable to output Self-Test codes.
CODES NOT LISTED Service codes displayed are not applicable to vehicle being tested.