jinxed45 Posted March 4, 2004 Report Share Posted March 4, 2004 OK.. I did the test thing, here's what it read: PCM P0146 Current PCM P0603 History PCM P1441 History PCM P1579 History PCM P1604 History IPC U1255 History No ACM Codes No SDM Codes No TCS Codes RSS C1712 History RSS C1738 Current RSS C1760 History RSS C1783 Current RSS C1785 Current No PZM Codes No IRC Data No RFA Codes No CCP Codes No MSM Codes No MMM Codes No PHN Codes then said: PCM? Just stayed there, so I turned the car off. What do these mean? Doesn't look too good to me. Link to comment Share on other sites More sharing options...
ed blaq Posted March 4, 2004 Report Share Posted March 4, 2004 Check out this link it will help http://myweb.accessus.net/~090/dtcobd1.html Ed Link to comment Share on other sites More sharing options...
JimD Posted March 4, 2004 Report Share Posted March 4, 2004 The OBDII page is here: http://myweb.accessus.net/~090/dtcobd2.html Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
jinxed45 Posted March 4, 2004 Author Report Share Posted March 4, 2004 Ok, I've gotten this so far.. but what do I do now? Take it to the dealER?! PCM P0146 Current - O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3) PCM P0603 History - Internal Control Module Keep Alive Memory (KAM) Error PCM P1441 History - Evaporative System Flow During Non-Purge PCM P1579 History - Park/Neutral to Drive/Reverse At High Throttle Angle PCM P1604 History - Loss of IPC Serial Data IPC U1255 History - Class 2 Communication Malfunction/Serial Data Line Malfunction No ACM Codes No SDM Codes No TCS Codes RSS C1712 History - Left Front Damper Actuator Open Circuit RSS C1738 Current - Exhaust Solenoid Valve Short to GND RSS C1760 History - Left Front Position Sensor Input Fault RSS C1783 Current - ICCS2 DL Left Output Short Circuit to GND RSS C1785 Current - ICCS2 DL Right Output Short Circuit to GND No PZM Codes No IRC Data No RFA Codes No CCP Codes No MSM Codes No MMM Codes No PHN Codes Link to comment Share on other sites More sharing options...
JimD Posted March 4, 2004 Report Share Posted March 4, 2004 First thing I would do on my car is clear the codes and drive it. See what codes return. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
jinxed45 Posted March 4, 2004 Author Report Share Posted March 4, 2004 How do you clear the codes? Thanks Link to comment Share on other sites More sharing options...
JimD Posted March 4, 2004 Report Share Posted March 4, 2004 How do you clear the codes? Thanks I can't help you on a '97. One of your options after you retrieve the DTC codes "should be" something like "CLEAR ALL CODES?"; You answer 'yes'. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
Ranger Posted March 4, 2004 Report Share Posted March 4, 2004 Answer "yes" with the HI fan speed button and "no" with the LO fan speed button. Link to comment Share on other sites More sharing options...
jinxed45 Posted March 5, 2004 Author Report Share Posted March 5, 2004 OK... I cleared all codes and the "Service Engine Soon" light doesn't illuminate anymore. That's good. But my question now is, how long will it take to recognize a problem? I drove my car around the block, if one of the previous DTC's (diagnostic trouble codes) are still existing, how long will it take to illuminate the "Service Engine Soon" light again? Link to comment Share on other sites More sharing options...
davedog Posted March 5, 2004 Report Share Posted March 5, 2004 i wonder if the light ever trips as a fluke? mine did a few months ago, so I cleared my codes to see what would come back up, & it's never come back Crystal Red Tintcoat Exterior | Shale/Brownstone Interior | 32k Link to comment Share on other sites More sharing options...
JimD Posted March 5, 2004 Report Share Posted March 5, 2004 OK... I cleared all codes and the "Service Engine Soon" light doesn't illuminate anymore. That's good. But my question now is, how long will it take to recognize a problem? I drove my car around the block, if one of the previous DTC's (diagnostic trouble codes) are still existing, how long will it take to illuminate the "Service Engine Soon" light again? No way to predict how long. If there is a genuine repeatable problem with the operation of any system (or the sensors), the 'error' condition will occur again and that DTC will be set. If the DTC is concerned with emmisions, the SES lamp will be ON. I have observed the entire diagnostic system 'can be' somewhat susceptible to false triggers due to the timing issue of all the black boxes and their associated sensors talking to each other, in particular at start-up. A drive around the block with a cold engine might be inconclusive as the engine might not reach closed-loop temperature. Approach this like eating an elephant. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
loucar1 Posted March 5, 2004 Report Share Posted March 5, 2004 Didn't you have an issue with the engine not running correctly? The only code that was current was the P0146. I would bet that if you run long enough to get into closed loop that code will set again Lou 94 Seville STS Link to comment Share on other sites More sharing options...
Cupillac Posted March 5, 2004 Report Share Posted March 5, 2004 I've had my car for 1 1/2, and I've never know abou the DTC codes until I joined this forum, I got to check them. "Cadillac, it's not a car, it's an obsession" -W.Kingdon Link to comment Share on other sites More sharing options...
jinxed45 Posted March 5, 2004 Author Report Share Posted March 5, 2004 Well.. there were actually 4 currents. Take a closer look. Anyways.. no problems SO FAR.. the 4 - 5 thousand miles I've driven. With the engine atleast.. Link to comment Share on other sites More sharing options...
Greg P. Posted March 5, 2004 Report Share Posted March 5, 2004 PCM P0146 Current - O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3) PCM P0603 History - Internal Control Module Keep Alive Memory (KAM) Error PCM P1441 History - Evaporative System Flow During Non-Purge PCM P1579 History - Park/Neutral to Drive/Reverse At High Throttle Angle PCM P1604 History - Loss of IPC Serial Data IPC U1255 History - Class 2 Communication Malfunction/Serial Data Line Malfunction RSS C1712 History - Left Front Damper Actuator Open Circuit RSS C1738 Current - Exhaust Solenoid Valve Short to GND RSS C1760 History - Left Front Position Sensor Input Fault RSS C1783 Current - ICCS2 DL Left Output Short Circuit to GND RSS C1785 Current - ICCS2 DL Right Output Short Circuit to GND No PZM Codes No IRC Data No RFA Codes No CCP Codes No MSM Codes No MMM Codes No PHN Codes If the history codes have cleared, I wouldn't worry too much about them unless they come back. If they do come back, you may want to investigate. The CURRENT codes concern me some. PCM P0146 Current - O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3) Could indicate a bad O2 sensor or perhaps unplugged or something. I think you should probably check this out. Continued driving with a malfunctioning O2 sensor might not be the best thing for your car. It could result in catalytic converter damage. I'm not an expert on this. perhaps some others on here have an idea. RSS C1712 History - Left Front Damper Actuator Open Circuit RSS C1738 Current - Exhaust Solenoid Valve Short to GND RSS C1760 History - Left Front Position Sensor Input Fault RSS C1783 Current - ICCS2 DL Left Output Short Circuit to GND RSS C1785 Current - ICCS2 DL Right Output Short Circuit to GND These are from the road sensing suspension. Something is going on there. Does everything seem ok there there? At the minimum, I'd check that the sensors are intact and that all the cables are securely connected. Again, I'm not an expert on this. Perhaps someone else can help. PCM P0603 History - Internal Control Module Keep Alive Memory (KAM) Error PCM P1604 History - Loss of IPC Serial Data IPC U1255 History - Class 2 Communication Malfunction/Serial Data Line Malfunction From what I have seen, these ones are pretty common and are usually nothing to worry about. Link to comment Share on other sites More sharing options...
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