Possible causes – Faulty Right Front Speed Sensor– Right Front Speed Sensor harness is open or shorted– Right Front Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0221 CADILLAC OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake…
Tag: CADILLAC
C0222 CADILLAC Missing Right Front Speed Signal
Possible causes – Faulty Right Front Speed Sensor– Right Front Speed Sensor harness is open or shorted– Right Front Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0222 CADILLAC OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake…
C0223 CADILLAC Erratic Right Front Speed Sensor
Possible causes – Faulty Right Front Speed Sensor– Right Front Speed Sensor harness is open or shorted– Right Front Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0223 CADILLAC OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake…
P0804 CADILLAC Skip Shift Lamp Control Circuit
Possible causes – Faulty Skip Shift Lamp– Skip Shift Lamp harness is open or shorted– Skip Shift Lamp circuit poor electrical connection When is the obd code mean? When the Powertrain Control Module (PCM) commands the control circuit to a component OFF, the voltage potential of the circuit should be high (near battery voltage). If…
P0803 CADILLAC Skip Shift Solenoid Control Circuit
Possible causes – Faulty Skip Shift Solenoid– Skip Shift Solenoid harness is open or shorted– Skip Shift Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0803 CADILLAC OBD Code Description An ignition voltage is supplied to the Skip Shift solenoid coil. The Powertrain Control Module (PCM) controls…
P0604 CADILLAC Control Module Random Access Memory
Possible causes – Faulty Powertrain Control Module (PCM)– PCM harness is open or shorted– PCM circuit poor electrical connection– PCM Programming Tech description Check the Powertrain Control Module (PCM) fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the PCM. When…
P0601 CADILLAC Power Control Module Internal Fault
Possible causes – Faulty Powertrain Control Module (PCM)– Powertrain Control Module (PCM) harness is open or shorted– Powertrain Control Module (PCM) cicuit poor electricl connection– Low battery voltage Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0601 CADILLAC OBD Code Description The Powertrain Control Module (PCM) EEPROM contains data which is essential…
P1621 CADILLAC Control Module Long Term Memory Performance Condition
Possible causes – Faulty Powertrain Control Modules (PCM)– Low car battery voltage When is the obd code mean? If the checksum of the Electronically Erasable Programmable Read Only Memory (EEPROM) does not match a predetermined value by the Powertrain Control Modules (PCM), DTC P1621 will set. Symptoms – Engine Light ON (or Service Engine Soon…
P0140 CADILLAC O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…
P0137 CADILLAC HO2S Circuit Low Voltage Bank 1 Sensor 2
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…