P0600
Serial Communication Link Malfunction
P0601
Internal Control Module Memory Check Sum Error
P0602
Control Module Programming Error
P0603
Internal Control Module Keep Alive Memory (KAM) Error
P0604
Internal Control Module Random Access Memory (RAM) Error
P0605
Internal Control Module Read Only Memory (ROM) Error
(Module Identification Defined by SAE J1979)
P0606
ECM/PCM Processor Fault
P0608
Control Module VSS Output “A” Malfunction
P0609
Control Module VSS Output “B” Malfunction
P0610
Control Module VSS Output “B” Malfunction
P0615
Starter Relay Circuit
P0616
Starter Relay Circuit Low
P0617
Starter Relay Circuit High
P0618
Alternative Fuel Control Module KAM Error
P0619
Alternative Fuel Control Module RAM/ROM Error
P0620
Generator Control Circuit Malfunction
P0621
Generator Lamp “L” Control Circuit Malfunction
P0622
Generator Field “F” Control Circuit Malfunction
P0623
Generator Lamp Control Circuit
P0624
Fuel Cap Lamp Control Circuit
P0630
VIN Not Programmed or Mismatch – ECM/PCM
P0631
VIN Not Programmed or Mismatch – TCM
P0635
Power Steering Control Circuit
P0636
Power Steering Control Circuit Low
P0637
Power Steering Control Circuit High
P0638
Throttle Actuator Control Range/Performance (Bank 1)
P0639
Throttle Actuator Control Range/Performance (Bank 2)
P0640
Intake Air Heater Control Circuit
P0645
A/C Clutch Relay Control Circuit
P0646
A/C Clutch Relay Control Circuit Low
P0647
A/C Clutch Relay Control Circuit High
P0648
Immobilizer Lamp Control Circuit
P0649
Speed Control Lamp Control Circuit
P0650
Malfunction Indicator Lamp (MIL) Control Circuit Malfunction
P0654
Engine RPM Output Circuit Malfunction
P0655
Engine Hot Lamp Output Control Circuit Malfunction
P0656
Fuel Level Output Circuit Malfunction
P0660
Intake Manifold Tuning Valve Control Circuit (Bank 1)
P0661
Intake Manifold Tuning Valve Control Circuit Low (Bank 1)
P0662
Intake Manifold Tuning Valve Control Circuit High (Bank 1)
P0663
Intake Manifold Tuning Valve Control Circuit (Bank 2)
P0664
Intake Manifold Tuning Valve Control Circuit Low (Bank 2)
P0665
Intake Manifold Tuning Valve Control Circuit High (Bank 2)
HO2S Heater Resistance (Bank 2, Sensor 3)
Description:
How does a P0061 code trigger the check engine light? This code will trigger the check engine light as follows:
The vehicle Powertrain Control Module monitors the oxygen sensor heater control circuit current draw. The check engine light will illuminate when the current requirements are too high or too low.
Possible Causes:
Possible causes for this check engine light code include:
Blown oxygen sensor fuse
Open circuit in oxygen sensor harness
Open circuit internal to oxygen sensor
Open circuit in PCM
Short circuit in oxygen sensor harness
Short circuit internal to oxygen sensor
Short circuit internal to PCM
Diagnostic Help:
To diagnose a P0061 check engine light code we will need to test out the oxygen sensor wiring and also test the circuits through the oxygen sensor itself. The internal processor circuits are a possible cause but are much less likely, so the other areas are thoroughly tested first. See our article Automotive Circuit Testing 101, if you need more assistance with this. If concern is determined to be intermittent, check out our article on Intermittent Diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.
HO2S Heater Resistance (Bank 2, Sensor 2)
Description:
How does a P0060 code trigger the check engine light? This code will trigger the check engine light as follows:
The vehicle Powertrain Control Module monitors the oxygen sensor heater control circuit current draw. The check engine light will illuminate when the current requirements are too high or too low.
Possible Causes:
Possible causes for this check engine light code include:
Blown oxygen sensor fuse
Open circuit in oxygen sensor harness
Open circuit internal to oxygen sensor
Open circuit in PCM
Short circuit in oxygen sensor harness
Short circuit internal to oxygen sensor
Short circuit internal to PCM
Diagnostic Help:
To diagnose a P0060 check engine light code we will need to test out the oxygen sensor wiring and also test the circuits through the oxygen sensor itself. The internal processor circuits are a possible cause but are much less likely, so the other areas are thoroughly tested first. See our article Automotive Circuit Testing 101, if you need more assistance with this. If concern is determined to be intermittent, check out our article on Intermittent Diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.
HO2S Heater Resistance (Bank 2, Sensor 1)
Description:
How does a P0059 code trigger the check engine light? This code will trigger the check engine light as follows:
The vehicle Powertrain Control Module monitors the oxygen sensor heater control circuit current draw. The check engine light will illuminate when the current requirements are too high or too low.
Possible Causes:
Possible causes for this check engine light code include:
Blown oxygen sensor fuse
Open circuit in oxygen sensor harness
Open circuit internal to oxygen sensor
Open circuit in PCM
Short circuit in oxygen sensor harness
Short circuit internal to oxygen sensor
Short circuit internal to PCM
Diagnostic Help:
To diagnose a P0059 check engine light code we will need to test out the oxygen sensor wiring and also test the circuits through the oxygen sensor itself. The internal processor circuits are a possible cause but are much less likely, so the other areas are thoroughly tested first. See our article Automotive Circuit Testing 101, if you need more assistance with this. If concern is determined to be intermittent, check out our article on Intermittent Diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.
HO2S Heater Resistance (Bank 1, Sensor 2)
Description:
How does a P0054 code trigger the check engine light? This code will trigger the check engine light as follows:
The vehicle Powertrain Control Module monitors the oxygen sensor heater control circuit current draw. The check engine light will illuminate when the current requirements are too high or too low.
Possible Causes:
Possible causes for this check engine light code include:
Blown oxygen sensor fuse
Open circuit in oxygen sensor harness
Open circuit internal to oxygen sensor
Open circuit in PCM
Short circuit in oxygen sensor harness
Short circuit internal to oxygen sensor
Short circuit internal to PCM
Diagnostic Help:
To diagnose a P0054 check engine light code we will need to test out the oxygen sensor wiring and also test the circuits through the oxygen sensor itself. The internal processor circuits are a possible cause but are much less likely, so the other areas are thoroughly tested first. See our article Automotive Circuit Testing 101, if you need more assistance with this. If concern is determined to be intermittent, check out our article on Intermittent Diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.
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