LEMON Manuals
: Even more car manuals for everyone
Home
>>
Chevrolet
>>
2003
>>
Avalanche 2500, RWD
>>
Repair and Diagnosis
>>
Electrical
>>
Charging Systems
>>
Diagnostic Tests
>>
DTC P0622: Pulse Width Modulation Signal Out Of Range
>>
Conditions For Setting DTC
Conditions For Setting DTC
During the ignition ON test, the PCM detects a PWM signal is out of range.
During the RUN test, the PCM detects a PWM signal less then 5 percent for more than 6 seconds.