There are 6 stored owner reports matching the powertrain & transmission leading-label group for the 2004 Mazda MPV in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 6 of 6 matching reports.
Open the full vehicle complaint log (all categories)TOTAL TRANSMISSION FAILURE. *TR
I PURCHASED A 2004 MPV ARCH 28, 2005. TO DATE, I HAVE HAD THIS VAN IN FOR WARRANTY SERVICE TO REPLACE IGNITION COILS THREE TIMES: 10/31/06 '' 31,770MI - #4 COIL REPLACED. TRANSMISSION RANGE SENSOR REPLACED ALSO 12/05/06 '' 33,229MI - #4 COIL REPLACED AGAIN 1/08/07 '' 34,708MI - #6 COIL REPLACED. TODAY AS I WAS DRIVING, THE SAME SYMPTOMS '' STEERING WHEEL VIBRATION, BUCKING, LURCHING '' OCCURRED AS BEFORE WHEN THE OTHER COILS FAILED. THE CEL CAME ON, I CHECKED FOR THE CODE AND I DISCOVERED THAT THE #5 COIL HAS FAILED. NOW THIS WILL BE THE FOURTH SERVICE FOR THE SAME PROBLEM. THERE HAS BEEN NO EFFORT ON THE PART OF COUNTRY MAZDA TO FIND THE SOURCE OF THE COIL FAILURE. REPLACING THE PARTS OBVIOUSLY IS NOT SOLVING THE PROBLEM. *AK
ON MY MAZDA MPV IN TEMPERATURES BELOW 40 DEGREES THE TRANSMISSION SLIPS WHEN SHIFTING INTO 3RD GEAR. THIS CAUSES LOSS OF POWER AND A WHIPLASH ACTION WHEN THE TRANSMISSION RE-ENGAGES. IN HIGH TRAFFIC SITUATIONS THIS CAN BE VERY DANGEROUS. *NM
2004 MAZDA MPV - NORTH PARK MAZDA IS SAN ANTONIO HAS BEEN UNABLE TO FIX A NOISE COMING FROM THE FRONT OF THE VEHICLE. I TOOK THE VAN IN 5 TIMES IN JULY. THEY WERE UNABLE TO DUPLICATE THE NOISE ON THE FIRST FEW ATTEMPTS. I FINALLY HAD TO TAKE THE SERVICE MANAGER FOR A RIDE IN IT. THEY THOUGHT THEY HAD FIXED IT THE LAST 2 TIMES I TOOK IT IN BUT APPARENTLY DID NOT ACTUALLY LOCATE THE PROBLEM. I
WHILE DRIVING CONSUMER APPLIED THE BRAKES AND PEDAL WENT TO THE FLOOR. A LOUD KNOCKING NOISE WAS HEARD FROM THE FRONT. CONSUMER WAS ABLE TO SLOW DOWN, AND PULLED OVER. CONSUMER HAD VEHICLE TOWED TO THE DEALER, AND MECHANIC DETERMINED THAT TRANSMISSION BLEW OUT DUE TO A WORN SHAFT SOLENOID. *AK
2004 MAZDA MPV WITH TRANSMISSION PROBLEMS. CONSUMER STATES THAT THE VEHICLE HAS A TRANSMISSION SHIFT SHOCK PROBLEM AND THE WARRANTY IS GETTING READY TO EXPIRE. WHEN ACCELERATING VEHICLE AND PASSENGER GET JOLTED FORWARD. *KB THE CONSUMER STATED THE LAST TIME THE PROBLEM HAPPENED, THE TRANSMISSION LIGHT ILLUMINATED.*JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.