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- Code 11 — System pass
- Code 12 — Cannot control rpm during high rpm check
- Code 13 — Cannot control rpm during low rpm check
- Code 14 — PIP circuit failure
- Code 15 — ECA keep alive only memory (KAM) test failed
- Code 15 — ECA read only memory (ROM) test failed
- Code 16 — IDM signal not received
- Code 18 — Loss of IDM input or SAW circuit open
- Code 19 — Failure in ECA internal voltage
- Code 21 — ECT out of range
- Code 22 — Barometric Pressure (BP) sensor
- Code 23 — TP sensor out of self-test range
- Code 24 — ACT sensor out of self-test range
- Code 26 — MAF out of self-test range
- Code 29 — Insufficient input from VSS
- Code 41 — Fuel system adaptive limits, no HEGO switch
- Code 41 — Lack of HEGO switches, indicates lean
- Code 42 — Lack of HEGO switches, indicates rich
- Code 45 — Coil 1, 2, or 3 failure
- Code 51 — ECT indicated - 40°F (4.4°C) open circuit
- Code 53 — TP sensor circuit above maximum voltage
- Code 54 — ACT indicated - 40°F (4.4°C) open circuit
- Code 56 — MAF circuit above maximum voltage
- Code 61 — ECT indicated 254°F (123°C) grounded
circuit
- Code 63 — TP sensor voltage below minimum voltage
- Code 64 — ACT indicated 254°F (123°C) grounded
circuit
- Code 66 — MAF below minimum voltage
- Code 67 — Clutch switch circuit failure
- Code 67 — Vehicle not in Park during KOEO
- Code 72 — Insufficient MAF change during test
- Code 73 — Insufficient TP change dynamic response test
- Code 74 — BOO circuit failure/not actuated during self-test
- Code 77 — Operator error during test
- Code 79 — A/C ON/ Defroster ON/ during self-test
- Code 86 — Shift solenoid circuit failure
- Code 87 — Primary fuel pump circuit failure
- Code 89 — Clutch Converter Override (CCO) circuit failure
- Code 95 — Fuel pump circuit open - ECA to motor ground
- Code 96 — Fuel pump circuit open - ECA to battery
- Code 98 — Hard fault present
- Code not listed
- Code 111 — System pass
- Code 112 — ACT indicated 254°F (123°C) grounded
circuit
- Code 113 — ACT indicated - 40°F (4.4°C) open circuit
- Code 114 — ACT sensor out of self-test range
- Code 116 — ECT out of range
- Code 117 — ECT indicated 254°F (123°C) grounded
circuit
- Code 118 — ECT indicated - 40°F (4.4°C) open circuit
- Code 121 — TP sensor out of self-test range
- Code 122 — TP sensor circuit below minimum voltage
- Code 123 — TP sensor circuit above maximum voltage
- Code 126 — Barometric Pressure (BP) sensor
- Code 128 — Barometric Pressure (BP) sensor
- Code 129 — Insufficient MAF change during test
- Code 136 — Fuel control
- Code 137 — Fuel control
- Code 139 — Fuel control
- Code 144 — Fuel control
- Code 157 — MAF below minimum voltage
- Code 158 — MAF circuit above maximum voltage
- Code 159 — MAF out of self-test range
- Code 167 — Insufficient TP change dynamic response test
- Code 171 — Fuel system at adaptive limits, no HEGO switch
- Code 172 — Lack of HEGO switches, indicates lean
- Code 173 — Lack of HEGO switches, indicates rich
- Code 174 — Fuel control
- Code 175 — Fuel control
- Code 176 — Fuel control
- Code 177 — Fuel control
- Code 178 — Fuel control
- Code 179 — Lean adaptive limit at part throttle, system
rich
- Code 181 — Rich adaptive limit at part throttle, system
lean
- Code 182 — Fuel control
- Code 183 — Fuel control
- Code 188 — Fuel control
- Code 189 — Fuel control
- Code 191 — Fuel control
- Code 192 — Fuel control
- Code 194 — Fuel control
- Code 195 — Fuel control
- Code 211 — PIP circuit failure
- Code 212 — Loss of IDM input or SAW circuit grounded
- Code 213 — SAW circuit open
- Code 215 — Ignition system
- Code 216 — Ignition system
- Code 217 — Ignition system
- Code 218 — Ignition system
- Code 222 — Ignition system
- Code 223 — IDM signal not received
- Code 224 — IDM signal not received
- Code 226 — IDM signal
- Code 232 — Coil 1, 2, or 3 failure
- Code 238 — Ignition system
- Code 338 — Temperature sensor
- Code 339 — Temperature sensor
- Code 341 — Octane adjust circuit open
- Code 411 — Cannot control rpm during low rpm check
- Code 412 — Cannot control rpm during high rpm check
- Code 452 — Insufficient input from VSS
- Code 511 — ECA read only memory (ROM) test failed
- Code 512 — ECA keep alive only memory (KAM) test failed
- Code 513 — Failure in ECA internal voltage
- Code 522 — Vehicle not in P or N during KOEO
- Code 525 — Vehicle not in P or N durung KOEO
- Code 528 — Clutch switch circuit failure
- Code 529 — Check Engine light
- Code 533 — Check Engine light
- Code 536 — BOO circuit failure/not actuated during self-test
- Code 538 — Operator error during test
- Code 539 — A/C ON/ Defroster ON/ during self-test
- Code 542 — Fuel pump circuit open - ECA to motor guard
- Code 542 — Fuel pump circuit open - ECA to battery
- Code 556 — Primary fuel pump circuit failure
- Code 565 — Canister purge (CANP) circuit failure
- Code 566 — Shift solenoid circuit failure
- Code 569 — Canister purge (CANP) circuit failure
- Code 629 — Clutch Converter Override (CCO) circuit failure
- Code 998 — Hard fault present
- Code not listed
- 600 series codes are transmission codes
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