1, 2 and 3 Digit Codes: 49

Trouble Code Number
- Scan tool 49
- General scan tool (none listed)
- MIL 63

Fault Message
- PCM Failure -- EEPROM Write Denied

- Unsuccessful attempt to write to an EEPROM location by the control module.

Probable Cause
- PCM failed

Recommended Action
- Replace the PCM.


Trouble Code Number
- Scan tool 51
- General scan tool P0412
- MIL 36

Fault Message
- Pulsed Secondary Air Injection Solenoid Circuit

Background
- The PCM provides a switched ground path to the solenoid.
- This DTC indicates an open or shorted condition in the pulsed secondary air injection control circuit.

Range of Check
- Battery voltage: 10 V or more
- Ignition switch: ON

Set Condition
- An open or short circuit is detected in the pulsed secondary air injection solenoid control circuit.

Probable Cause
- Open or shorted control circuit
- Open or fused ignition switch output circuit
- Open or shorted solenoid coil
- PCM failed