diff --git a/scapy/contrib/automotive/uds.py b/scapy/contrib/automotive/uds.py
index 67a7bb59e52..97ebcdc4daf 100644
--- a/scapy/contrib/automotive/uds.py
+++ b/scapy/contrib/automotive/uds.py
@@ -1454,6 +1454,20 @@ class UDS_NR(Packet):
         0x36: 'exceedNumberOfAttempts',
         0x37: 'requiredTimeDelayNotExpired',
         0x3A: 'secureDataVerificationFailed',
+        0x50: 'certificateVerificationFailedInvalidTimePeriod',
+        0x51: 'certificateVerificationFailedInvalidSignature',
+        0x52: 'certificateVerificationFailedInvalidChainOfTrust',
+        0x53: 'certificateVerificationFailedInvalidType',
+        0x54: 'certificateVerificationFailedInvalidFormat',
+        0x55: 'certificateVerificationFailedInvalidContent',
+        0x56: 'certificateVerificationFailedInvalidScope',
+        0x57: 'certificateVerificationFailedInvalidCertificateRevoked',
+        0x58: 'ownershipVerificationFailed',
+        0x59: 'challengeCalculationFailed',
+        0x5a: 'settingAccessRightsFailed',
+        0x5b: 'sessionKeyCreationOrDerivationFailed',
+        0x5c: 'configurationDataUsageFailed',
+        0x5d: 'deAuthenticationFailed',
         0x70: 'uploadDownloadNotAccepted',
         0x71: 'transferDataSuspended',
         0x72: 'generalProgrammingFailure',